120847039 has 4 divisors (see below), whose sum is σ = 122828200. Its totient is φ = 118865880.

The previous prime is 120847009. The next prime is 120847073. The reversal of 120847039 is 930748021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120847039 - 2⁵ = 120847007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120846995 and 120847013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120847009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990489 + ... + 990610.

It is an arithmetic number, because the mean of its divisors is an integer number (30707050).

Almost surely, 2^120847039 is an apocalyptic number.

120847039 is a deficient number, since it is larger than the sum of its proper divisors (1981161).

120847039 is an equidigital number, since it uses as much as digits as its factorization.

120847039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981160.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120847039 is about 10993.0450285624. The cubic root of 120847039 is about 494.4002381254.

The spelling of 120847039 in words is "one hundred twenty million, eight hundred forty-seven thousand, thirty-nine".