122792428 has 48 divisors (see below), whose sum is σ = 249951744. Its totient is φ = 52163840.

The previous prime is 122792407. The next prime is 122792437. The reversal of 122792428 is 824297221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124425 + ... + 125407.

It is an arithmetic number, because the mean of its divisors is an integer number (5207328).

Almost surely, 2^122792428 is an apocalyptic number.

It is an amenable number.

122792428 is an abundant number, since it is smaller than the sum of its proper divisors (127159316).

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

122792428 is a wasteful number, since it uses less digits than its factorization.

122792428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1180 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 122792428 is about 11081.1744864883. The cubic root of 122792428 is about 497.0390710782.

The spelling of 122792428 in words is "one hundred twenty-two million, seven hundred ninety-two thousand, four hundred twenty-eight".