122355140 has 24 divisors (see below), whose sum is σ = 265235712. Its totient is φ = 47363040.

The previous prime is 122355139. The next prime is 122355151. The reversal of 122355140 is 41553221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98054 + ... + 99293.

It is an arithmetic number, because the mean of its divisors is an integer number (11051488).

Almost surely, 2^122355140 is an apocalyptic number.

122355140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122355140 is an abundant number, since it is smaller than the sum of its proper divisors (142880572).

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

122355140 is a wasteful number, since it uses less digits than its factorization.

122355140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197387 (or 197385 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 122355140 is about 11061.4257670519. The cubic root of 122355140 is about 496.4483513183.

The spelling of 122355140 in words is "one hundred twenty-two million, three hundred fifty-five thousand, one hundred forty".