120430239 has 8 divisors (see below), whose sum is σ = 160733232. Its totient is φ = 80207040.

The previous prime is 120430169. The next prime is 120430241. The reversal of 120430239 is 932034021.

Added to its reverse (932034021) it gives a triangular number (1052464260 = T₄₅₈₇₉).

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

It is a de Polignac number, because none of the positive numbers 2^k-120430239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120430259) 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, 16332 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (20091654).

Almost surely, 2^120430239 is an apocalyptic number.

120430239 is a deficient number, since it is larger than the sum of its proper divisors (40302993).

120430239 is a wasteful number, since it uses less digits than its factorization.

120430239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39897.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 120430239 is about 10974.0712135470. The cubic root of 120430239 is about 493.8311898961.

Adding to 120430239 its reverse (932034021), we get a triangular number (1052464260 = T₄₅₈₇₉).

The spelling of 120430239 in words is "one hundred twenty million, four hundred thirty thousand, two hundred thirty-nine".