127997504 has 56 divisors (see below), whose sum is σ = 263152128. Its totient is φ = 61724160.

The previous prime is 127997479. The next prime is 127997521. The reversal of 127997504 is 405799721.

It is a super-2 number, since 2×127997504² = 32766722060460032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452147 + ... + 452429.

Almost surely, 2^127997504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127997504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131576064).

127997504 is an abundant number, since it is smaller than the sum of its proper divisors (135154624).

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

127997504 is a wasteful number, since it uses less digits than its factorization.

127997504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 127997504 is about 11313.5981897891. The cubic root of 127997504 is about 503.9651441419.

The spelling of 127997504 in words is "one hundred twenty-seven million, nine hundred ninety-seven thousand, five hundred four".