122152531 has 8 divisors (see below), whose sum is σ = 130620384. Its totient is φ = 113827200.

The previous prime is 122152523. The next prime is 122152543. The reversal of 122152531 is 135251221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122152531 - 2³ = 122152523 is a prime.

It is a super-2 number, since 2×122152531² = 29842481659411922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122152831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33855 + ... + 37288.

It is an arithmetic number, because the mean of its divisors is an integer number (16327548).

Almost surely, 2^122152531 is an apocalyptic number.

122152531 is a deficient number, since it is larger than the sum of its proper divisors (8467853).

122152531 is a wasteful number, since it uses less digits than its factorization.

122152531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71261.

The product of its digits is 600, while the sum is 22.

The square root of 122152531 is about 11052.2636143009. The cubic root of 122152531 is about 496.1741754644.

The spelling of 122152531 in words is "one hundred twenty-two million, one hundred fifty-two thousand, five hundred thirty-one".