122115623525 has 12 divisors (see below), whose sum is σ = 173055283872. Its totient is φ = 83736427440.

The previous prime is 122115623521. The next prime is 122115623527. The reversal of 122115623525 is 525326511221.

It is a happy number.

It is not a de Polignac number, because 122115623525 - 2² = 122115623521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115623521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348901607 + ... + 348901956.

It is an arithmetic number, because the mean of its divisors is an integer number (14421273656).

Almost surely, 2^122115623525 is an apocalyptic number.

It is an amenable number.

122115623525 is a deficient number, since it is larger than the sum of its proper divisors (50939660347).

122115623525 is an equidigital number, since it uses as much as digits as its factorization.

122115623525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697803580 (or 697803575 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The spelling of 122115623525 in words is "one hundred twenty-two billion, one hundred fifteen million, six hundred twenty-three thousand, five hundred twenty-five".