120271560 has 32 divisors (see below), whose sum is σ = 360815040. Its totient is φ = 32072384.

The previous prime is 120271553. The next prime is 120271597. The reversal of 120271560 is 65172021.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 120271560.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 501012 + ... + 501251.

It is an arithmetic number, because the mean of its divisors is an integer number (11275470).

Almost surely, 2^120271560 is an apocalyptic number.

120271560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120271560 is an abundant number, since it is smaller than the sum of its proper divisors (240543480).

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

120271560 is a wasteful number, since it uses less digits than its factorization.

120271560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002277 (or 1002273 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 120271560 is about 10966.8391070536. The cubic root of 120271560 is about 493.6142037492.

The spelling of 120271560 in words is "one hundred twenty million, two hundred seventy-one thousand, five hundred sixty".