120930292042561 has 3 divisors (see below), whose sum is σ = 120930303039393. Its totient is φ = 120930281045730.

The previous prime is 120930292042541. The next prime is 120930292042579. The reversal of 120930292042561 is 165240292039021.

The square root of 120930292042561 is 10996831.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 120930292042561 - 2²⁵ = 120930258488129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120930292042541) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5498416 + ... + 16495246.

It is an arithmetic number, because the mean of its divisors is an integer number (40310101013131).

Almost surely, 2^{120930292042561} is an apocalyptic number.

120930292042561 is the 10996831-st square number.

120930292042561 is the 5498416-th centered octagonal number.

It is an amenable number.

120930292042561 is a deficient number, since it is larger than the sum of its proper divisors (10996832).

120930292042561 is an frugal number, since it uses more digits than its factorization.

120930292042561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993662 (or 10996831 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 120930292042561 in words is "one hundred twenty trillion, nine hundred thirty billion, two hundred ninety-two million, forty-two thousand, five hundred sixty-one".