120345645603 has 16 divisors (see below), whose sum is σ = 162846706176. Its totient is φ = 79039255680.

The previous prime is 120345645599. The next prime is 120345645611. The reversal of 120345645603 is 306546543021.

It is not a de Polignac number, because 120345645603 - 2² = 120345645599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120345645803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58450 + ... + 494072.

It is an arithmetic number, because the mean of its divisors is an integer number (10177919136).

Almost surely, 2^120345645603 is an apocalyptic number.

120345645603 is a deficient number, since it is larger than the sum of its proper divisors (42501060573).

120345645603 is a wasteful number, since it uses less digits than its factorization.

120345645603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436994.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 120345645603 in words is "one hundred twenty billion, three hundred forty-five million, six hundred forty-five thousand, six hundred three".