127430315972 has 6 divisors (see below), whose sum is σ = 223003052958. Its totient is φ = 63715157984.

The previous prime is 127430315959. The next prime is 127430315977. The reversal of 127430315972 is 279513034721.

It can be written as a sum of positive squares in only one way, i.e., 118022479936 + 9407836036 = 343544^2 + 96994^2 .

It is not an unprimeable number, because it can be changed into a prime (127430315977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15928789493 + ... + 15928789500.

It is an arithmetic number, because the mean of its divisors is an integer number (37167175493).

Almost surely, 2^127430315972 is an apocalyptic number.

It is an amenable number.

127430315972 is a deficient number, since it is larger than the sum of its proper divisors (95572736986).

127430315972 is a wasteful number, since it uses less digits than its factorization.

127430315972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857578997 (or 31857578995 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 127430315972 in words is "one hundred twenty-seven billion, four hundred thirty million, three hundred fifteen thousand, nine hundred seventy-two".