120319655 has 4 divisors (see below), whose sum is σ = 144383592. Its totient is φ = 96255720.

The previous prime is 120319643. The next prime is 120319657. The reversal of 120319655 is 556913021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556913021 = 7 ⋅79559003.

It is not a de Polignac number, because 120319655 - 2⁸ = 120319399 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 (120319657) 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, 12031961 + ... + 12031970.

It is an arithmetic number, because the mean of its divisors is an integer number (36095898).

Almost surely, 2^120319655 is an apocalyptic number.

120319655 is a deficient number, since it is larger than the sum of its proper divisors (24063937).

120319655 is an equidigital number, since it uses as much as digits as its factorization.

120319655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24063936.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 120319655 is about 10969.0316345610. The cubic root of 120319655 is about 493.6799915695.

The spelling of 120319655 in words is "one hundred twenty million, three hundred nineteen thousand, six hundred fifty-five".