122908740 has 48 divisors (see below), whose sum is σ = 344699712. Its totient is φ = 32722816.

The previous prime is 122908729. The next prime is 122908763. The reversal of 122908740 is 47809221.

It is a happy 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, 48382 + ... + 50858.

It is an arithmetic number, because the mean of its divisors is an integer number (7181244).

Almost surely, 2^122908740 is an apocalyptic number.

122908740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122908740 is an abundant number, since it is smaller than the sum of its proper divisors (221790972).

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

122908740 is a wasteful number, since it uses less digits than its factorization.

122908740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 122908740 is about 11086.4214244273. The cubic root of 122908740 is about 497.1959574200.

The spelling of 122908740 in words is "one hundred twenty-two million, nine hundred eight thousand, seven hundred forty".