120660610559 has 4 divisors (see below), whose sum is σ = 120664372416. Its totient is φ = 120656848704.

The previous prime is 120660610537. The next prime is 120660610589. The reversal of 120660610559 is 955016066021.

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 120660610559 - 2²⁰ = 120659561983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120660610519) 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, 1832399 + ... + 1897104.

It is an arithmetic number, because the mean of its divisors is an integer number (30166093104).

Almost surely, 2^120660610559 is an apocalyptic number.

120660610559 is a deficient number, since it is larger than the sum of its proper divisors (3761857).

120660610559 is an equidigital number, since it uses as much as digits as its factorization.

120660610559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761856.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 120660610559 in words is "one hundred twenty billion, six hundred sixty million, six hundred ten thousand, five hundred fifty-nine".