127521372 has 48 divisors (see below), whose sum is σ = 325584000. Its totient is φ = 38525760.

The previous prime is 127521371. The next prime is 127521377. The reversal of 127521372 is 273125721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127521371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48754 + ... + 51302.

It is an arithmetic number, because the mean of its divisors is an integer number (6783000).

Almost surely, 2^127521372 is an apocalyptic number.

127521372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127521372 is an abundant number, since it is smaller than the sum of its proper divisors (198062628).

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

127521372 is a wasteful number, since it uses less digits than its factorization.

127521372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2944 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 127521372 is about 11292.5361190478. The cubic root of 127521372 is about 503.3394754841.

The spelling of 127521372 in words is "one hundred twenty-seven million, five hundred twenty-one thousand, three hundred seventy-two".