120707640 has 48 divisors (see below), whose sum is σ = 392301000. Its totient is φ = 32188608.

The previous prime is 120707591. The next prime is 120707651. The reversal of 120707640 is 46707021.

120707640 is a `hidden beast` number, since 12 + 0 + 7 + 0 + 7 + 640 = 666.

It is a congruent number.

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, 167290 + ... + 168009.

Almost surely, 2^120707640 is an apocalyptic number.

120707640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120707640 is an abundant number, since it is smaller than the sum of its proper divisors (271593360).

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

120707640 is a wasteful number, since it uses less digits than its factorization.

120707640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335316 (or 335309 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 120707640 is about 10986.7028721086. The cubic root of 120707640 is about 494.2100654463.

The spelling of 120707640 in words is "one hundred twenty million, seven hundred seven thousand, six hundred forty".