120256103 has 8 divisors (see below), whose sum is σ = 132393360. Its totient is φ = 108319680.

The previous prime is 120256063. The next prime is 120256109. The reversal of 120256103 is 301652021.

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

It is a cyclic number.

It is not a de Polignac number, because 120256103 - 2²⁰ = 119207527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120256109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48950 + ... + 51347.

It is an arithmetic number, because the mean of its divisors is an integer number (16549170).

Almost surely, 2^120256103 is an apocalyptic number.

120256103 is a deficient number, since it is larger than the sum of its proper divisors (12137257).

120256103 is a wasteful number, since it uses less digits than its factorization.

120256103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100417.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120256103 is about 10966.1343690473. The cubic root of 120256103 is about 493.5930568224.

The spelling of 120256103 in words is "one hundred twenty million, two hundred fifty-six thousand, one hundred three".