127065631 has 16 divisors (see below), whose sum is σ = 158704128. Its totient is φ = 98834400.

The previous prime is 127065607. The next prime is 127065643. The reversal of 127065631 is 136560721.

It is not a de Polignac number, because 127065631 - 2⁷ = 127065503 is a prime.

It is a super-2 number, since 2×127065631² = 32291349162856322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127065593 and 127065602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127065661) 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, 56101 + ... + 58321.

It is an arithmetic number, because the mean of its divisors is an integer number (9919008).

Almost surely, 2^127065631 is an apocalyptic number.

127065631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

127065631 is a deficient number, since it is larger than the sum of its proper divisors (31638497).

127065631 is a wasteful number, since it uses less digits than its factorization.

127065631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 127065631 is about 11272.3391982321. The cubic root of 127065631 is about 502.7391414727.

The spelling of 127065631 in words is "one hundred twenty-seven million, sixty-five thousand, six hundred thirty-one".