120961239 has 48 divisors (see below), whose sum is σ = 206304000. Its totient is φ = 61572096.

The previous prime is 120961223. The next prime is 120961259. The reversal of 120961239 is 932169021.

It is not a de Polignac number, because 120961239 - 2⁴ = 120961223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120961259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114787 + ... + 115835.

It is an arithmetic number, because the mean of its divisors is an integer number (4298000).

Almost surely, 2^120961239 is an apocalyptic number.

120961239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120961239 is a deficient number, since it is larger than the sum of its proper divisors (85342761).

120961239 is a wasteful number, since it uses less digits than its factorization.

120961239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 120961239 is about 10998.2379952427. The cubic root of 120961239 is about 494.5559245534. Note that the first 3 decimals are identical.

The spelling of 120961239 in words is "one hundred twenty million, nine hundred sixty-one thousand, two hundred thirty-nine".