127992694 has 32 divisors (see below), whose sum is σ = 211864896. Its totient is φ = 57738240.

The previous prime is 127992691. The next prime is 127992743. The reversal of 127992694 is 496299721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127992691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88602 + ... + 90034.

It is an arithmetic number, because the mean of its divisors is an integer number (6620778).

Almost surely, 2^127992694 is an apocalyptic number.

127992694 is a deficient number, since it is larger than the sum of its proper divisors (83872202).

127992694 is a wasteful number, since it uses less digits than its factorization.

127992694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its digits is 489888, while the sum is 49.

The square root of 127992694 is about 11313.3856117433. The cubic root of 127992694 is about 503.9588312514.

The spelling of 127992694 in words is "one hundred twenty-seven million, nine hundred ninety-two thousand, six hundred ninety-four".