120686444 has 6 divisors (see below), whose sum is σ = 211201284. Its totient is φ = 60343220.

The previous prime is 120686443. The next prime is 120686471. The reversal of 120686444 is 444686021.

It is not an unprimeable number, because it can be changed into a prime (120686443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15085802 + ... + 15085809.

It is an arithmetic number, because the mean of its divisors is an integer number (35200214).

Almost surely, 2^120686444 is an apocalyptic number.

It is an amenable number.

120686444 is a deficient number, since it is larger than the sum of its proper divisors (90514840).

120686444 is a wasteful number, since it uses less digits than its factorization.

120686444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171615 (or 30171613 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 120686444 is about 10985.7382091510. The cubic root of 120686444 is about 494.1811363475.

The spelling of 120686444 in words is "one hundred twenty million, six hundred eighty-six thousand, four hundred forty-four".