120545761 has 4 divisors (see below), whose sum is σ = 137766592. Its totient is φ = 103324932.

The previous prime is 120545753. The next prime is 120545773. The reversal of 120545761 is 167545021.

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 120545761 - 2³ = 120545753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120545731) 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, 8610405 + ... + 8610418.

It is an arithmetic number, because the mean of its divisors is an integer number (34441648).

Almost surely, 2^120545761 is an apocalyptic number.

It is an amenable number.

120545761 is a deficient number, since it is larger than the sum of its proper divisors (17220831).

120545761 is an equidigital number, since it uses as much as digits as its factorization.

120545761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220830.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 120545761 is about 10979.3333586334. Note that the first 4 decimals coincide. The cubic root of 120545761 is about 493.9890409912.

The spelling of 120545761 in words is "one hundred twenty million, five hundred forty-five thousand, seven hundred sixty-one".