120255761 has 4 divisors (see below), whose sum is σ = 120333312. Its totient is φ = 120178212.

The previous prime is 120255757. The next prime is 120255767. The reversal of 120255761 is 167552021.

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 120255761 - 2² = 120255757 is a prime.

It is a super-2 number, since 2×120255761² = 28922896107378242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120255767) 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, 36401 + ... + 39566.

It is an arithmetic number, because the mean of its divisors is an integer number (30083328).

Almost surely, 2^120255761 is an apocalyptic number.

It is an amenable number.

120255761 is a deficient number, since it is larger than the sum of its proper divisors (77551).

120255761 is an equidigital number, since it uses as much as digits as its factorization.

120255761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77550.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 120255761 is about 10966.1187755742. The cubic root of 120255761 is about 493.5925889071.

The spelling of 120255761 in words is "one hundred twenty million, two hundred fifty-five thousand, seven hundred sixty-one".