122926540 has 24 divisors (see below), whose sum is σ = 281614032. Its totient is φ = 44700480.

The previous prime is 122926519. The next prime is 122926547. The reversal of 122926540 is 45629221.

It is a super-2 number, since 2×122926540² = 30221868472743200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122926547) 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, 279159 + ... + 279598.

It is an arithmetic number, because the mean of its divisors is an integer number (11733918).

Almost surely, 2^122926540 is an apocalyptic number.

122926540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122926540 is an abundant number, since it is smaller than the sum of its proper divisors (158687492).

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

122926540 is a wasteful number, since it uses less digits than its factorization.

122926540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558777 (or 558775 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 122926540 is about 11087.2241792073. The cubic root of 122926540 is about 497.2199580481.

The spelling of 122926540 in words is "one hundred twenty-two million, nine hundred twenty-six thousand, five hundred forty".