127997492 has 24 divisors (see below), whose sum is σ = 256536000. Its totient is φ = 54740160.

The previous prime is 127997479. The next prime is 127997521. The reversal of 127997492 is 294799721.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 127997492.

It is a congruent number.

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, 9392 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (10689000).

Almost surely, 2^127997492 is an apocalyptic number.

It is an amenable number.

127997492 is an abundant number, since it is smaller than the sum of its proper divisors (128538508).

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

127997492 is a wasteful number, since it uses less digits than its factorization.

127997492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9669 counting only the distinct ones).

The product of its digits is 571536, while the sum is 50.

The square root of 127997492 is about 11313.5976594539. The cubic root of 127997492 is about 503.9651283927.

The spelling of 127997492 in words is "one hundred twenty-seven million, nine hundred ninety-seven thousand, four hundred ninety-two".