127634157 has 16 divisors (see below), whose sum is σ = 216100480. Its totient is φ = 72933696.

The previous prime is 127634137. The next prime is 127634173. The reversal of 127634157 is 751436721.

It is a happy number.

127634157 is a `hidden beast` number, since 1 + 2 + 7 + 634 + 15 + 7 = 666.

It is not a de Polignac number, because 127634157 - 2¹⁶ = 127568621 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 (127634137) 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 15 ways as a sum of consecutive naturals, for example, 337468 + ... + 337845.

It is an arithmetic number, because the mean of its divisors is an integer number (13506280).

Almost surely, 2^127634157 is an apocalyptic number.

It is an amenable number.

127634157 is a deficient number, since it is larger than the sum of its proper divisors (88466323).

127634157 is an equidigital number, since it uses as much as digits as its factorization.

127634157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675329 (or 675323 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 127634157 is about 11297.5288005829. The cubic root of 127634157 is about 503.4878229435.

It can be divided in two parts, 12 and 7634157, that added together give a square (7634169 = 2763²).

The spelling of 127634157 in words is "one hundred twenty-seven million, six hundred thirty-four thousand, one hundred fifty-seven".