120256015 has 8 divisors (see below), whose sum is σ = 157426128. Its totient is φ = 87458880.

The previous prime is 120256013. The next prime is 120256027. The reversal of 120256015 is 510652021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120256015 - 2¹ = 120256013 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 (120256013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093182 + ... + 1093291.

It is an arithmetic number, because the mean of its divisors is an integer number (19678266).

Almost surely, 2^120256015 is an apocalyptic number.

120256015 is a deficient number, since it is larger than the sum of its proper divisors (37170113).

120256015 is a wasteful number, since it uses less digits than its factorization.

120256015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186489.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120256015 is about 10966.1303566937. The cubic root of 120256015 is about 493.5929364232.

The spelling of 120256015 in words is "one hundred twenty million, two hundred fifty-six thousand, fifteen".