120724457611 has 4 divisors (see below), whose sum is σ = 127825896312. Its totient is φ = 113623018912.

The previous prime is 120724457597. The next prime is 120724457617. The reversal of 120724457611 is 116754427021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116754427021 = 643 ⋅181577647.

It is a cyclic number.

It is not a de Polignac number, because 120724457611 - 2⁹ = 120724457099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120724457617) 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, 3550719325 + ... + 3550719358.

It is an arithmetic number, because the mean of its divisors is an integer number (31956474078).

Almost surely, 2^120724457611 is an apocalyptic number.

120724457611 is a deficient number, since it is larger than the sum of its proper divisors (7101438701).

120724457611 is an equidigital number, since it uses as much as digits as its factorization.

120724457611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101438700.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 120724457611 in words is "one hundred twenty billion, seven hundred twenty-four million, four hundred fifty-seven thousand, six hundred eleven".