120306596261 has 4 divisors (see below), whose sum is σ = 126638522400. Its totient is φ = 113974670124.

The previous prime is 120306596243. The next prime is 120306596279. The reversal of 120306596261 is 162695603021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (120306596243) and next prime (120306596279).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120306596261 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 (120306596231) 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, 3165963041 + ... + 3165963078.

It is an arithmetic number, because the mean of its divisors is an integer number (31659630600).

Almost surely, 2^120306596261 is an apocalyptic number.

It is an amenable number.

120306596261 is a deficient number, since it is larger than the sum of its proper divisors (6331926139).

120306596261 is an equidigital number, since it uses as much as digits as its factorization.

120306596261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331926138.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 120306596261 in words is "one hundred twenty billion, three hundred six million, five hundred ninety-six thousand, two hundred sixty-one".