120039249 has 16 divisors (see below), whose sum is σ = 175279104. Its totient is φ = 72469200.

The previous prime is 120039239. The next prime is 120039251. The reversal of 120039249 is 942930021.

It is not a de Polignac number, because 120039249 - 2⁷ = 120039121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120039209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1764 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (10954944).

Almost surely, 2^120039249 is an apocalyptic number.

It is an amenable number.

120039249 is a deficient number, since it is larger than the sum of its proper divisors (55239855).

120039249 is a wasteful number, since it uses less digits than its factorization.

120039249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 120039249 is about 10956.2424671965. The cubic root of 120039249 is about 493.2961847585.

The spelling of 120039249 in words is "one hundred twenty million, thirty-nine thousand, two hundred forty-nine".