120857700 has 36 divisors (see below), whose sum is σ = 349682480. Its totient is φ = 32228640.

The previous prime is 120857657. The next prime is 120857713. The reversal of 120857700 is 7758021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201130 + ... + 201729.

Almost surely, 2^120857700 is an apocalyptic number.

120857700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120857700 is an abundant number, since it is smaller than the sum of its proper divisors (228824780).

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

120857700 is a wasteful number, since it uses less digits than its factorization.

120857700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402876 (or 402869 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 120857700 is about 10993.5299153639. The cubic root of 120857700 is about 494.4147761893.

The spelling of 120857700 in words is "one hundred twenty million, eight hundred fifty-seven thousand, seven hundred".