120961340856 has 24 divisors (see below), whose sum is σ = 327603631680. Its totient is φ = 40320446928.

The previous prime is 120961340839. The next prime is 120961340879. The reversal of 120961340856 is 658043169021.

120961340856 is a `hidden beast` number, since 1 + 20 + 9 + 613 + 4 + 0 + 8 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840009240 + ... + 840009383.

It is an arithmetic number, because the mean of its divisors is an integer number (13650151320).

Almost surely, 2^120961340856 is an apocalyptic number.

It is an amenable number.

120961340856 is an abundant number, since it is smaller than the sum of its proper divisors (206642290824).

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

120961340856 is a wasteful number, since it uses less digits than its factorization.

120961340856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680018635 (or 1680018628 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 120961340856 in words is "one hundred twenty billion, nine hundred sixty-one million, three hundred forty thousand, eight hundred fifty-six".