120840595593 has 64 divisors (see below), whose sum is σ = 182929443840. Its totient is φ = 70498086912.

The previous prime is 120840595543. The next prime is 120840595609. The reversal of 120840595593 is 395595048021.

It is a happy number.

It is not a de Polignac number, because 120840595593 - 2³⁴ = 103660726409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (120840595543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18369921 + ... + 18376497.

It is an arithmetic number, because the mean of its divisors is an integer number (2858272560).

Almost surely, 2^120840595593 is an apocalyptic number.

It is an amenable number.

120840595593 is a deficient number, since it is larger than the sum of its proper divisors (62088848247).

120840595593 is a wasteful number, since it uses less digits than its factorization.

120840595593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 120840595593 in words is "one hundred twenty billion, eight hundred forty million, five hundred ninety-five thousand, five hundred ninety-three".