122926572 has 60 divisors (see below), whose sum is σ = 322442736. Its totient is φ = 40836960.

The previous prime is 122926553. The next prime is 122926589. The reversal of 122926572 is 275629221.

It is a happy number.

It is a super-2 number, since 2×122926572² = 30221884207342368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148953 + ... + 149775.

Almost surely, 2^122926572 is an apocalyptic number.

122926572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122926572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161221368).

122926572 is an abundant number, since it is smaller than the sum of its proper divisors (199516164).

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

122926572 is a wasteful number, since it uses less digits than its factorization.

122926572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1289 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 122926572 is about 11087.2256223097. The cubic root of 122926572 is about 497.2200011932.

The spelling of 122926572 in words is "one hundred twenty-two million, nine hundred twenty-six thousand, five hundred seventy-two".