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121142324 = 2230285581
BaseRepresentation
bin1110011100001…
…11110000110100
322102221200000202
413032013300310
5222003023244
620004300032
73000456422
oct716076064
9272850022
10121142324
1162422026
12346a1618
131c136b64
1412136112
15a97e04e
hex7387c34

121142324 has 6 divisors (see below), whose sum is σ = 211999074. Its totient is φ = 60571160.

The previous prime is 121142321. The next prime is 121142341. The reversal of 121142324 is 423241121.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 11102224 = 10490^2 + 3332^2 .

It is a super-3 number, since 3×1211423243 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121142296 and 121142305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142787 + ... + 15142794.

It is an arithmetic number, because the mean of its divisors is an integer number (35333179).

Almost surely, 2121142324 is an apocalyptic number.

It is an amenable number.

121142324 is a deficient number, since it is larger than the sum of its proper divisors (90856750).

121142324 is a wasteful number, since it uses less digits than its factorization.

121142324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285585 (or 30285583 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 121142324 is about 11006.4673715048. The cubic root of 121142324 is about 494.8025931205.

Adding to 121142324 its reverse (423241121), we get a palindrome (544383445).

The spelling of 121142324 in words is "one hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 30285581 60571162 121142324