122492142 has 32 divisors (see below), whose sum is σ = 276825600. Its totient is φ = 40137624.

The previous prime is 122492101. The next prime is 122492159. The reversal of 122492142 is 241294221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 16038 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (8650800).

Almost surely, 2^122492142 is an apocalyptic number.

122492142 is an abundant number, since it is smaller than the sum of its proper divisors (154333458).

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

122492142 is a wasteful number, since it uses less digits than its factorization.

122492142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38517 (or 38511 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 122492142 is about 11067.6168166412. The cubic root of 122492142 is about 496.6335745610.

The spelling of 122492142 in words is "one hundred twenty-two million, four hundred ninety-two thousand, one hundred forty-two".