122435992 has 48 divisors (see below), whose sum is σ = 274332240. Its totient is φ = 50179008.

The previous prime is 122435977. The next prime is 122436011. The reversal of 122435992 is 299534221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27558 + ... + 31690.

It is an arithmetic number, because the mean of its divisors is an integer number (5715255).

Almost surely, 2^122435992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122435992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137166120).

122435992 is an abundant number, since it is smaller than the sum of its proper divisors (151896248).

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

122435992 is a wasteful number, since it uses less digits than its factorization.

122435992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192 (or 4165 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 122435992 is about 11065.0798460743. The cubic root of 122435992 is about 496.5576778904.

The spelling of 122435992 in words is "one hundred twenty-two million, four hundred thirty-five thousand, nine hundred ninety-two".