120881216 has 14 divisors (see below), whose sum is σ = 239873790. Its totient is φ = 60440576.

The previous prime is 120881207. The next prime is 120881221. The reversal of 120881216 is 612188021.

It can be written as a sum of positive squares in only one way, i.e., 86118400 + 34762816 = 9280^2 + 5896^2 .

It is a super-2 number, since 2×120881216² = 29224536763277312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944321 + ... + 944448.

Almost surely, 2^120881216 is an apocalyptic number.

120881216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120881216 is a deficient number, since it is larger than the sum of its proper divisors (118992574).

120881216 is an equidigital number, since it uses as much as digits as its factorization.

120881216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888781 (or 1888771 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 120881216 is about 10994.5994015244. The cubic root of 120881216 is about 494.4468411822.

The spelling of 120881216 in words is "one hundred twenty million, eight hundred eighty-one thousand, two hundred sixteen".