127865472 has 64 divisors (see below), whose sum is σ = 388171200. Its totient is φ = 36532224.

The previous prime is 127865471. The next prime is 127865501. The reversal of 127865472 is 274568721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (127865471) 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, 21097 + ... + 26472.

It is an arithmetic number, because the mean of its divisors is an integer number (6065175).

Almost surely, 2^127865472 is an apocalyptic number.

127865472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127865472 is an abundant number, since it is smaller than the sum of its proper divisors (260305728).

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

127865472 is an equidigital number, since it uses as much as digits as its factorization.

127865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47593 (or 47581 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 127865472 is about 11307.7615822054. The cubic root of 127865472 is about 503.7918011316.

The spelling of 127865472 in words is "one hundred twenty-seven million, eight hundred sixty-five thousand, four hundred seventy-two".