120861804 has 24 divisors (see below), whose sum is σ = 322298368. Its totient is φ = 34531920.

The previous prime is 120861799. The next prime is 120861827. The reversal of 120861804 is 408168021.

It is a super-2 number, since 2×120861804² = 29215151332268832, which contains 22 as substring.

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, 719332 + ... + 719499.

Almost surely, 2^120861804 is an apocalyptic number.

120861804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120861804 is an abundant number, since it is smaller than the sum of its proper divisors (201436564).

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

120861804 is a wasteful number, since it uses less digits than its factorization.

120861804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438845 (or 1438843 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 120861804 is about 10993.7165690225. The cubic root of 120861804 is about 494.4203724547.

The spelling of 120861804 in words is "one hundred twenty million, eight hundred sixty-one thousand, eight hundred four".