127902940 has 24 divisors (see below), whose sum is σ = 293014512. Its totient is φ = 46510080.

The previous prime is 127902937. The next prime is 127902953. The reversal of 127902940 is 49209721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127902896 and 127902905.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 290469 + ... + 290908.

It is an arithmetic number, because the mean of its divisors is an integer number (12208938).

Almost surely, 2^127902940 is an apocalyptic number.

127902940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127902940 is an abundant number, since it is smaller than the sum of its proper divisors (165111572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127902940 is a wasteful number, since it uses less digits than its factorization.

127902940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581397 (or 581395 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 127902940 is about 11309.4181990056. The cubic root of 127902940 is about 503.8410044791.

The spelling of 127902940 in words is "one hundred twenty-seven million, nine hundred two thousand, nine hundred forty".