127949310425 has 18 divisors (see below), whose sum is σ = 167999600574. Its totient is φ = 96332752000.

The previous prime is 127949310421. The next prime is 127949310469. The reversal of 127949310425 is 524013949721.

It can be written as a sum of positive squares in 3 ways, for example, as 19267660864 + 108681649561 = 138808^2 + 329669^2 .

It is not a de Polignac number, because 127949310425 - 2² = 127949310421 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 127949310425.

It is not an unprimeable number, because it can be changed into a prime (127949310421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7365500 + ... + 7382850.

It is an arithmetic number, because the mean of its divisors is an integer number (9333311143).

Almost surely, 2^127949310425 is an apocalyptic number.

It is an amenable number.

127949310425 is a deficient number, since it is larger than the sum of its proper divisors (40050290149).

127949310425 is an frugal number, since it uses more digits than its factorization.

127949310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34729 (or 17373 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 127949310425 in words is "one hundred twenty-seven billion, nine hundred forty-nine million, three hundred ten thousand, four hundred twenty-five".