120644694 has 16 divisors (see below), whose sum is σ = 268099440. Its totient is φ = 40214880.

The previous prime is 120644687. The next prime is 120644701. The reversal of 120644694 is 496446021.

120644694 is a `hidden beast` number, since 1 + 2 + 0 + 644 + 6 + 9 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (120644687) and next prime (120644701).

It is a congruent number.

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, 1117027 + ... + 1117134.

It is an arithmetic number, because the mean of its divisors is an integer number (16756215).

Almost surely, 2^120644694 is an apocalyptic number.

120644694 is an abundant number, since it is smaller than the sum of its proper divisors (147454746).

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

120644694 is a wasteful number, since it uses less digits than its factorization.

120644694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234172 (or 2234166 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 120644694 is about 10983.8378538651. The cubic root of 120644694 is about 494.1241444674.

The spelling of 120644694 in words is "one hundred twenty million, six hundred forty-four thousand, six hundred ninety-four".