120885284 has 24 divisors (see below), whose sum is σ = 230087928. Its totient is φ = 55238400.

The previous prime is 120885223. The next prime is 120885287. The reversal of 120885284 is 482588021.

It can be written as a sum of positive squares in 4 ways, for example, as 28302400 + 92582884 = 5320^2 + 9622^2 .

It is a super-2 number, since 2×120885284² = 29226503775521312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120885287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257 + ... + 16760.

It is an arithmetic number, because the mean of its divisors is an integer number (9586997).

Almost surely, 2^120885284 is an apocalyptic number.

It is an amenable number.

120885284 is a deficient number, since it is larger than the sum of its proper divisors (109202644).

120885284 is a wasteful number, since it uses less digits than its factorization.

120885284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23135 (or 23133 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 120885284 is about 10994.7843998871. The cubic root of 120885284 is about 494.4523876386.

The spelling of 120885284 in words is "one hundred twenty million, eight hundred eighty-five thousand, two hundred eighty-four".