122372040 has 64 divisors (see below), whose sum is σ = 419564160. Its totient is φ = 27970560.

The previous prime is 122372021. The next prime is 122372051. The reversal of 122372040 is 40273221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 122371998 and 122372016.

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, 72001 + ... + 73680.

It is an arithmetic number, because the mean of its divisors is an integer number (6555690).

Almost surely, 2^122372040 is an apocalyptic number.

122372040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122372040 is an abundant number, since it is smaller than the sum of its proper divisors (297192120).

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

122372040 is a wasteful number, since it uses less digits than its factorization.

122372040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145702 (or 145698 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 122372040 is about 11062.1896566638. The cubic root of 122372040 is about 496.4712071647.

The spelling of 122372040 in words is "one hundred twenty-two million, three hundred seventy-two thousand, forty".