120269856 has 48 divisors (see below), whose sum is σ = 360811584. Its totient is φ = 34362624.

The previous prime is 120269833. The next prime is 120269881. The reversal of 120269856 is 658962021.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88815 + ... + 90158.

It is an arithmetic number, because the mean of its divisors is an integer number (7516908).

Almost surely, 2^120269856 is an apocalyptic number.

120269856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120269856 is an abundant number, since it is smaller than the sum of its proper divisors (240541728).

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

120269856 is a wasteful number, since it uses less digits than its factorization.

120269856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178993 (or 178985 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 120269856 is about 10966.7614180304. The cubic root of 120269856 is about 493.6118725730.

The spelling of 120269856 in words is "one hundred twenty million, two hundred sixty-nine thousand, eight hundred fifty-six".