127992956 has 48 divisors (see below), whose sum is σ = 279229440. Its totient is φ = 49982400.

The previous prime is 127992941. The next prime is 127992961. The reversal of 127992956 is 659299721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26531 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (5817280).

Almost surely, 2^127992956 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 127992956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139614720).

127992956 is an abundant number, since it is smaller than the sum of its proper divisors (151236484).

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

127992956 is a wasteful number, since it uses less digits than its factorization.

127992956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4552 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 127992956 is about 11313.3971909414. The cubic root of 127992956 is about 503.9591751177.

The spelling of 127992956 in words is "one hundred twenty-seven million, nine hundred ninety-two thousand, nine hundred fifty-six".