122152272 has 40 divisors (see below), whose sum is σ = 344248800. Its totient is φ = 37015680.

The previous prime is 122152271. The next prime is 122152297. The reversal of 122152272 is 272251221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115147 + ... + 116202.

It is an arithmetic number, because the mean of its divisors is an integer number (8606220).

Almost surely, 2^122152272 is an apocalyptic number.

122152272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122152272 is an abundant number, since it is smaller than the sum of its proper divisors (222096528).

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

122152272 is a wasteful number, since it uses less digits than its factorization.

122152272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231371 (or 231365 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 122152272 is about 11052.2518972380. The cubic root of 122152272 is about 496.1738247848.

The spelling of 122152272 in words is "one hundred twenty-two million, one hundred fifty-two thousand, two hundred seventy-two".