152561123 has 16 divisors (see below), whose sum is σ = 183611232. Its totient is φ = 124896000.

The previous prime is 152561117. The next prime is 152561147. The reversal of 152561123 is 321165251.

It is a cyclic number.

It is not a de Polignac number, because 152561123 - 2¹⁰ = 152560099 is a prime.

It is a super-2 number, since 2×152561123² = 46549792502042258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152561092 and 152561101.

It is not an unprimeable number, because it can be changed into a prime (152561113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7148 + ... + 18873.

It is an arithmetic number, because the mean of its divisors is an integer number (11475702).

Almost surely, 2^152561123 is an apocalyptic number.

152561123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

152561123 is a deficient number, since it is larger than the sum of its proper divisors (31050109).

152561123 is a wasteful number, since it uses less digits than its factorization.

152561123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086.

The product of its digits is 1800, while the sum is 26.

The square root of 152561123 is about 12351.5635852308. The cubic root of 152561123 is about 534.3362344939.

The spelling of 152561123 in words is "one hundred fifty-two million, five hundred sixty-one thousand, one hundred twenty-three".