120156273 has 12 divisors (see below), whose sum is σ = 176501520. Its totient is φ = 78746136.

The previous prime is 120156269. The next prime is 120156293. The reversal of 120156273 is 372651021.

It is a happy number.

120156273 is a `hidden beast` number, since 1 + 20 + 15 + 627 + 3 = 666.

It is not a de Polignac number, because 120156273 - 2² = 120156269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120156293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112611 + ... + 113672.

It is an arithmetic number, because the mean of its divisors is an integer number (14708460).

Almost surely, 2^120156273 is an apocalyptic number.

It is an amenable number.

120156273 is a deficient number, since it is larger than the sum of its proper divisors (56345247).

120156273 is a wasteful number, since it uses less digits than its factorization.

120156273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226348 (or 226345 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 120156273 is about 10961.5816833156. The cubic root of 120156273 is about 493.4564344108.

The spelling of 120156273 in words is "one hundred twenty million, one hundred fifty-six thousand, two hundred seventy-three".