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127007120 = 24513112119
BaseRepresentation
bin1111001000111…
…11100110010000
322211222122000102
413210133212100
5230003211440
620334111532
73101354102
oct744374620
9284878012
10127007120
1165768369
123664b5a8
132040b456
1412c21572
15b23bb15
hex791f990

127007120 has 40 divisors (see below), whose sum is σ = 297570240. Its totient is φ = 50410880.

The previous prime is 127007057. The next prime is 127007147. The reversal of 127007120 is 21700721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1270071202 = 32261617061388800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 127007092 and 127007101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (7439256).

Almost surely, 2127007120 is an apocalyptic number.

127007120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127007120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148785120).

127007120 is an abundant number, since it is smaller than the sum of its proper divisors (170563120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127007120 is a wasteful number, since it uses less digits than its factorization.

127007120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12263 (or 12257 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 127007120 is about 11269.7435640746. The cubic root of 127007120 is about 502.6619627582.

Adding to 127007120 its reverse (21700721), we get a palindrome (148707841).

The spelling of 127007120 in words is "one hundred twenty-seven million, seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 131 262 524 655 1048 1310 2096 2620 5240 10480 12119 24238 48476 60595 96952 121190 193904 242380 484760 969520 1587589 3175178 6350356 7937945 12700712 15875890 25401424 31751780 63503560 127007120