120661026984 has 96 divisors (see below), whose sum is σ = 341914510080. Its totient is φ = 38368294272.

The previous prime is 120661026977. The next prime is 120661027009. The reversal of 120661026984 is 489620166021.

120661026984 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 610 + 26 + 9 + 8 + 4 = 666.

It is a super-2 number, since 2×120661026984² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520017 + ... + 715359.

It is an arithmetic number, because the mean of its divisors is an integer number (3561609480).

Almost surely, 2^120661026984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120661026984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170957255040).

120661026984 is an abundant number, since it is smaller than the sum of its proper divisors (221253483096).

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

120661026984 is a wasteful number, since it uses less digits than its factorization.

120661026984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195751 (or 195744 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 120661026984 in words is "one hundred twenty billion, six hundred sixty-one million, twenty-six thousand, nine hundred eighty-four".