122928652 has 144 divisors (see below), whose sum is σ = 296932608. Its totient is φ = 43908480.

The previous prime is 122928623. The next prime is 122928667. The reversal of 122928652 is 256829221.

It is a super-2 number, since 2×122928652² = 30222906965074208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1834723 + ... + 1834789.

It is an arithmetic number, because the mean of its divisors is an integer number (2062032).

Almost surely, 2^122928652 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 122928652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148466304).

122928652 is an abundant number, since it is smaller than the sum of its proper divisors (174003956).

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

122928652 is a wasteful number, since it uses less digits than its factorization.

122928652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 147 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 122928652 is about 11087.3194235577. The cubic root of 122928652 is about 497.2228056093. Note that the first 3 decimals are identical.

The spelling of 122928652 in words is "one hundred twenty-two million, nine hundred twenty-eight thousand, six hundred fifty-two".