120320761 has 4 divisors (see below), whose sum is σ = 131259024. Its totient is φ = 109382500.

The previous prime is 120320737. The next prime is 120320777. The reversal of 120320761 is 167023021.

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 a cyclic number.

It is not a de Polignac number, because 120320761 - 2⁵ = 120320729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120324761) 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, 5469115 + ... + 5469136.

It is an arithmetic number, because the mean of its divisors is an integer number (32814756).

Almost surely, 2^120320761 is an apocalyptic number.

120320761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120320761 is a deficient number, since it is larger than the sum of its proper divisors (10938263).

120320761 is a wasteful number, since it uses less digits than its factorization.

120320761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938262.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 120320761 is about 10969.0820491051. The cubic root of 120320761 is about 493.6815042301.

Adding to 120320761 its reverse (167023021), we get a palindrome (287343782).

The spelling of 120320761 in words is "one hundred twenty million, three hundred twenty thousand, seven hundred sixty-one".