120420684 has 36 divisors (see below), whose sum is σ = 307419840. Its totient is φ = 39741600.

The previous prime is 120420659. The next prime is 120420697. The reversal of 120420684 is 486024021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×120420684² = 29002282270055712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12924 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (8539440).

Almost surely, 2^120420684 is an apocalyptic number.

It is an amenable number.

120420684 is an abundant number, since it is smaller than the sum of its proper divisors (186999156).

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

120420684 is a wasteful number, since it uses less digits than its factorization.

120420684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230 (or 33225 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 120420684 is about 10973.6358605523. The cubic root of 120420684 is about 493.8181292732.

It can be divided in two parts, 120420 and 684, that added together give a square (121104 = 348²).

The spelling of 120420684 in words is "one hundred twenty million, four hundred twenty thousand, six hundred eighty-four".