120173613 has 32 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 64794816.

The previous prime is 120173611. The next prime is 120173617. The reversal of 120173613 is 316371021.

It is not a de Polignac number, because 120173613 - 2¹ = 120173611 is a prime.

It is a super-2 number, since 2×120173613² = 28883394522947538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120173611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138820 + ... + 139682.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^120173613 is an apocalyptic number.

It is an amenable number.

120173613 is a deficient number, since it is larger than the sum of its proper divisors (73362387).

120173613 is a wasteful number, since it uses less digits than its factorization.

120173613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 120173613 is about 10962.3725990317. The cubic root of 120173613 is about 493.4801705082.

It can be divided in two parts, 120173 and 613, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 120173613 in words is "one hundred twenty million, one hundred seventy-three thousand, six hundred thirteen".