122598537 has 4 divisors (see below), whose sum is σ = 163464720. Its totient is φ = 81732356.

The previous prime is 122598523. The next prime is 122598551. The reversal of 122598537 is 735895221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (122598523) and next prime (122598551).

It is a cyclic number.

It is not a de Polignac number, because 122598537 - 2⁶ = 122598473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122598587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20433087 + ... + 20433092.

It is an arithmetic number, because the mean of its divisors is an integer number (40866180).

Almost surely, 2^122598537 is an apocalyptic number.

It is an amenable number.

122598537 is a deficient number, since it is larger than the sum of its proper divisors (40866183).

122598537 is an equidigital number, since it uses as much as digits as its factorization.

122598537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40866182.

The product of its digits is 151200, while the sum is 42.

The square root of 122598537 is about 11072.4223636926. The cubic root of 122598537 is about 496.7773226610. Note that the first 3 decimals are identical.

The spelling of 122598537 in words is "one hundred twenty-two million, five hundred ninety-eight thousand, five hundred thirty-seven".