127901216 has 24 divisors (see below), whose sum is σ = 252071820. Its totient is φ = 63883008.

The previous prime is 127901131. The next prime is 127901231. The reversal of 127901216 is 612109721.

It can be written as a sum of positive squares in 2 ways, for example, as 125529616 + 2371600 = 11204^2 + 1540^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44330 + ... + 47126.

Almost surely, 2^127901216 is an apocalyptic number.

127901216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127901216 is a deficient number, since it is larger than the sum of its proper divisors (124170604).

127901216 is a wasteful number, since it uses less digits than its factorization.

127901216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 127901216 is about 11309.3419790897. The cubic root of 127901216 is about 503.8387407162.

The spelling of 127901216 in words is "one hundred twenty-seven million, nine hundred one thousand, two hundred sixteen".