120756404 has 6 divisors (see below), whose sum is σ = 211323714. Its totient is φ = 60378200.

The previous prime is 120756403. The next prime is 120756407. The reversal of 120756404 is 404657021.

It can be written as a sum of positive squares in only one way, i.e., 106708900 + 14047504 = 10330^2 + 3748^2 .

It is a super-2 number, since 2×120756404² = 29164218214022432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120756403) by changing a digit.

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 as a sum of consecutive naturals, namely, 15094547 + ... + 15094554.

It is an arithmetic number, because the mean of its divisors is an integer number (35220619).

Almost surely, 2^120756404 is an apocalyptic number.

It is an amenable number.

120756404 is a deficient number, since it is larger than the sum of its proper divisors (90567310).

120756404 is a wasteful number, since it uses less digits than its factorization.

120756404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30189105 (or 30189103 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 120756404 is about 10988.9218761442. The cubic root of 120756404 is about 494.2766075339.

The spelling of 120756404 in words is "one hundred twenty million, seven hundred fifty-six thousand, four hundred four".