122100492 has 48 divisors (see below), whose sum is σ = 289409120. Its totient is φ = 40061952.

The previous prime is 122100437. The next prime is 122100493. The reversal of 122100492 is 294001221.

It is not an unprimeable number, because it can be changed into a prime (122100493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 362148 + ... + 362484.

Almost surely, 2^122100492 is an apocalyptic number.

122100492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122100492 is an abundant number, since it is smaller than the sum of its proper divisors (167308628).

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

122100492 is a wasteful number, since it uses less digits than its factorization.

122100492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 122100492 is about 11049.9091398979. The cubic root of 122100492 is about 496.1037059860.

The spelling of 122100492 in words is "one hundred twenty-two million, one hundred thousand, four hundred ninety-two".