127453864 has 8 divisors (see below), whose sum is σ = 238976010. Its totient is φ = 63726928.

The previous prime is 127453831. The next prime is 127453873. The reversal of 127453864 is 468354721.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 1340964 = 11230^2 + 1158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7965859 + ... + 7965874.

Almost surely, 2^127453864 is an apocalyptic number.

It is an amenable number.

127453864 is a deficient number, since it is larger than the sum of its proper divisors (111522146).

127453864 is a wasteful number, since it uses less digits than its factorization.

127453864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15931739 (or 15931735 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 127453864 is about 11289.5466693752. The cubic root of 127453864 is about 503.2506395538.

The spelling of 127453864 in words is "one hundred twenty-seven million, four hundred fifty-three thousand, eight hundred sixty-four".