127916357 has 4 divisors (see below), whose sum is σ = 130891200. Its totient is φ = 124941516.

The previous prime is 127916311. The next prime is 127916359. The reversal of 127916357 is 753619721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127916357 - 2²⁴ = 111139141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127916359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487357 + ... + 1487442.

It is an arithmetic number, because the mean of its divisors is an integer number (32722800).

Almost surely, 2^127916357 is an apocalyptic number.

It is an amenable number.

127916357 is a deficient number, since it is larger than the sum of its proper divisors (2974843).

127916357 is an equidigital number, since it uses as much as digits as its factorization.

127916357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974842.

The product of its digits is 79380, while the sum is 41.

The square root of 127916357 is about 11310.0113616212. The cubic root of 127916357 is about 503.8586214794.

The spelling of 127916357 in words is "one hundred twenty-seven million, nine hundred sixteen thousand, three hundred fifty-seven".