127813873 has 12 divisors (see below), whose sum is σ = 144291700. Its totient is φ = 113050080.

The previous prime is 127813867. The next prime is 127813877. The reversal of 127813873 is 378318721.

It can be written as a sum of positive squares in 2 ways, for example, as 71368704 + 56445169 = 8448^2 + 7513^2 .

It is not a de Polignac number, because 127813873 - 2⁵ = 127813841 is a prime.

It is a super-2 number, since 2×127813873² = 32672772262520258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127813877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9798 + ... + 18751.

Almost surely, 2^127813873 is an apocalyptic number.

It is an amenable number.

127813873 is a deficient number, since it is larger than the sum of its proper divisors (16477827).

127813873 is a wasteful number, since it uses less digits than its factorization.

127813873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608 (or 28597 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 127813873 is about 11305.4797775238. The cubic root of 127813873 is about 503.7240250796.

It can be divided in two parts, 1278 and 13873, that added together give a palindrome (15151).

The spelling of 127813873 in words is "one hundred twenty-seven million, eight hundred thirteen thousand, eight hundred seventy-three".