127685434 has 32 divisors (see below), whose sum is σ = 210672000. Its totient is φ = 57806784.

The previous prime is 127685407. The next prime is 127685471. The reversal of 127685434 is 434586721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119587 + ... + 120649.

It is an arithmetic number, because the mean of its divisors is an integer number (6583500).

Almost surely, 2^127685434 is an apocalyptic number.

127685434 is a deficient number, since it is larger than the sum of its proper divisors (82986566).

127685434 is a wasteful number, since it uses less digits than its factorization.

127685434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 161280, while the sum is 40.

The square root of 127685434 is about 11299.7979627956. The cubic root of 127685434 is about 503.5552392974. Note that the first 3 decimals are identical.

The spelling of 127685434 in words is "one hundred twenty-seven million, six hundred eighty-five thousand, four hundred thirty-four".