122902272 has 90 divisors (see below), whose sum is σ = 366534168. Its totient is φ = 40960512.

The previous prime is 122902249. The next prime is 122902291. The reversal of 122902272 is 272209221.

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 9 ways as a sum of consecutive naturals, for example, 17773 + ... + 23699.

Almost surely, 2^122902272 is an apocalyptic number.

122902272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122902272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183267084).

122902272 is an abundant number, since it is smaller than the sum of its proper divisors (243631896).

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

122902272 is an frugal number, since it uses more digits than its factorization.

122902272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 122902272 is about 11086.1297123929. The cubic root of 122902272 is about 497.1872357190.

The spelling of 122902272 in words is "one hundred twenty-two million, nine hundred two thousand, two hundred seventy-two".