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121001260 = 2256050063
BaseRepresentation
bin1110011011001…
…01010100101100
322102200111112011
413031211110230
5221434020020
620001251004
72666331232
oct715452454
9272614464
10121001260
1162336046
1234633a64
131c0b78a3
14120da952
15a95235a
hex736552c

121001260 has 12 divisors (see below), whose sum is σ = 254102688. Its totient is φ = 48400496.

The previous prime is 121001249. The next prime is 121001273. The reversal of 121001260 is 62100121.

It is a self number, because there is not a number n which added to its sum of digits gives 121001260.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025012 + ... + 3025051.

It is an arithmetic number, because the mean of its divisors is an integer number (21175224).

Almost surely, 2121001260 is an apocalyptic number.

121001260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121001260 is an abundant number, since it is smaller than the sum of its proper divisors (133101428).

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

121001260 is a wasteful number, since it uses less digits than its factorization.

121001260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050072 (or 6050070 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121001260 is about 11000.0572725782. The cubic root of 121001260 is about 494.6104611427.

Adding to 121001260 its reverse (62100121), we get a palindrome (183101381).

The spelling of 121001260 in words is "one hundred twenty-one million, one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 6050063 12100126 24200252 30250315 60500630 121001260