120129159 has 8 divisors (see below), whose sum is σ = 160289280. Its totient is φ = 80027576.

The previous prime is 120129131. The next prime is 120129181. The reversal of 120129159 is 951921021.

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 120129159 - 2⁵ = 120129127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120129109) 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, 9597 + ... + 18230.

It is an arithmetic number, because the mean of its divisors is an integer number (20036160).

Almost surely, 2^120129159 is an apocalyptic number.

120129159 is a deficient number, since it is larger than the sum of its proper divisors (40160121).

120129159 is a wasteful number, since it uses less digits than its factorization.

120129159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29269.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 120129159 is about 10960.3448394656. The cubic root of 120129159 is about 493.4193144615.

The spelling of 120129159 in words is "one hundred twenty million, one hundred twenty-nine thousand, one hundred fifty-nine".