122835128 has 32 divisors (see below), whose sum is σ = 248618160. Its totient is φ = 56559360.

The previous prime is 122835121. The next prime is 122835131. The reversal of 122835128 is 821538221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122835094 and 122835103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122835121) 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, 53051 + ... + 55317.

Almost surely, 2^122835128 is an apocalyptic number.

It is an amenable number.

122835128 is an abundant number, since it is smaller than the sum of its proper divisors (125783032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122835128 is a wasteful number, since it uses less digits than its factorization.

122835128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2803 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 122835128 is about 11083.1010100964. The cubic root of 122835128 is about 497.0966780741.

The spelling of 122835128 in words is "one hundred twenty-two million, eight hundred thirty-five thousand, one hundred twenty-eight".