122752224 has 72 divisors (see below), whose sum is σ = 398951280. Its totient is φ = 35071488.

The previous prime is 122752183. The next prime is 122752243. The reversal of 122752224 is 422257221.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28429 + ... + 32460.

It is an arithmetic number, because the mean of its divisors is an integer number (5540990).

Almost surely, 2^122752224 is an apocalyptic number.

122752224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122752224 is an abundant number, since it is smaller than the sum of its proper divisors (276199056).

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

122752224 is a wasteful number, since it uses less digits than its factorization.

122752224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60912 (or 60901 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 122752224 is about 11079.3602703405. The cubic root of 122752224 is about 496.9848192527.

The spelling of 122752224 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, two hundred twenty-four".