122290752 has 28 divisors (see below), whose sum is σ = 323561456. Its totient is φ = 40763520.

The previous prime is 122290739. The next prime is 122290807. The reversal of 122290752 is 257092221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318274 + ... + 318657.

Almost surely, 2^122290752 is an apocalyptic number.

122290752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122290752 is an abundant number, since it is smaller than the sum of its proper divisors (201270704).

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

122290752 is an equidigital number, since it uses as much as digits as its factorization.

122290752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636946 (or 636936 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 122290752 is about 11058.5149093357. The cubic root of 122290752 is about 496.3612526065.

The spelling of 122290752 in words is "one hundred twenty-two million, two hundred ninety thousand, seven hundred fifty-two".