127157401 has 6 divisors (see below), whose sum is σ = 147917850. Its totient is φ = 108992016.

The previous prime is 127157383. The next prime is 127157423. The reversal of 127157401 is 104751721.

It can be written as a sum of positive squares in only one way, i.e., 100902025 + 26255376 = 10045^2 + 5124^2 .

It is not a de Polignac number, because 127157401 - 2⁵ = 127157369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127157401.

It is not an unprimeable number, because it can be changed into a prime (127157201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1297476 + ... + 1297573.

It is an arithmetic number, because the mean of its divisors is an integer number (24652975).

Almost surely, 2^127157401 is an apocalyptic number.

It is an amenable number.

127157401 is a deficient number, since it is larger than the sum of its proper divisors (20760449).

127157401 is an equidigital number, since it uses as much as digits as its factorization.

127157401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595063 (or 2595056 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 127157401 is about 11276.4090472100. The cubic root of 127157401 is about 502.8601426386.

The spelling of 127157401 in words is "one hundred twenty-seven million, one hundred fifty-seven thousand, four hundred one".