120390064128 has 120 divisors (see below), whose sum is σ = 359596577340. Its totient is φ = 40129966080.

The previous prime is 120390064103. The next prime is 120390064159. The reversal of 120390064128 is 821460093021.

120390064128 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 9 + 0 + 0 + 641 + 2 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120390064092 and 120390064101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 196978 + ... + 528753.

Almost surely, 2^120390064128 is an apocalyptic number.

120390064128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120390064128 is an abundant number, since it is smaller than the sum of its proper divisors (239206513212).

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

120390064128 is an frugal number, since it uses more digits than its factorization.

120390064128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725765 (or 725736 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

It can be divided in two parts, 1203900 and 64128, that added together give a triangular number (1268028 = T₁₅₉₂).

The spelling of 120390064128 in words is "one hundred twenty billion, three hundred ninety million, sixty-four thousand, one hundred twenty-eight".