120840057043 has 4 divisors (see below), whose sum is σ = 120859006840. Its totient is φ = 120821107248.

The previous prime is 120840057017. The next prime is 120840057049. The reversal of 120840057043 is 340750048021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120840057043 - 2⁹ = 120840056531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120840057049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9465330 + ... + 9478087.

It is an arithmetic number, because the mean of its divisors is an integer number (30214751710).

Almost surely, 2^120840057043 is an apocalyptic number.

120840057043 is a deficient number, since it is larger than the sum of its proper divisors (18949797).

120840057043 is an equidigital number, since it uses as much as digits as its factorization.

120840057043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949796.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 120840057043 in words is "one hundred twenty billion, eight hundred forty million, fifty-seven thousand, forty-three".