120645542160 has 240 divisors, whose sum is σ = 476001908928. Its totient is φ = 26997580800.

The previous prime is 120645542137. The next prime is 120645542177. The reversal of 120645542160 is 61245546021.

120645542160 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 455 + 42 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 482926 + ... + 688845.

Almost surely, 2^120645542160 is an apocalyptic number.

120645542160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120645542160 is an abundant number, since it is smaller than the sum of its proper divisors (355356366768).

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

120645542160 is a wasteful number, since it uses less digits than its factorization.

120645542160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171814 (or 1171805 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 120645542160 in words is "one hundred twenty billion, six hundred forty-five million, five hundred forty-two thousand, one hundred sixty".