120654262042056 has 64 divisors (see below), whose sum is σ = 335259227880000. Its totient is φ = 40205067349248.

The previous prime is 120654262041959. The next prime is 120654262042081. The reversal of 120654262042056 is 650240262456021.

120654262042056 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 542 + 62 + 0 + 42 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×120654262042056² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89747886 + ... + 91082333.

It is an arithmetic number, because the mean of its divisors is an integer number (5238425435625).

Almost surely, 2^{120654262042056} is an apocalyptic number.

It is an amenable number.

120654262042056 is an abundant number, since it is smaller than the sum of its proper divisors (214604965837944).

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

120654262042056 is a wasteful number, since it uses less digits than its factorization.

120654262042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180833323 (or 180833313 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 120654262042056 in words is "one hundred twenty trillion, six hundred fifty-four billion, two hundred sixty-two million, forty-two thousand, fifty-six".