120986739 has 24 divisors (see below), whose sum is σ = 193089312. Its totient is φ = 72610560.

The previous prime is 120986731. The next prime is 120986741. The reversal of 120986739 is 937689021.

It is not a de Polignac number, because 120986739 - 2³ = 120986731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120986694 and 120986703.

It is not an unprimeable number, because it can be changed into a prime (120986731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13672 + ... + 20709.

It is an arithmetic number, because the mean of its divisors is an integer number (8045388).

Almost surely, 2^120986739 is an apocalyptic number.

120986739 is a deficient number, since it is larger than the sum of its proper divisors (72102573).

120986739 is a wasteful number, since it uses less digits than its factorization.

120986739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34427 (or 34424 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 120986739 is about 10999.3972107566. The cubic root of 120986739 is about 494.5906747762.

The spelling of 120986739 in words is "one hundred twenty million, nine hundred eighty-six thousand, seven hundred thirty-nine".