9120739 has 2 divisors, whose sum is σ = 9120740. Its totient is φ = 9120738.

The previous prime is 9120701. The next prime is 9120743. The reversal of 9120739 is 9370219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9120739 - 2¹¹ = 9118691 is a prime.

It is a super-2 number, since 2×9120739² = 166375759812242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9120739.

It is not a weakly prime, because it can be changed into another prime (9120799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4560369 + 4560370.

It is an arithmetic number, because the mean of its divisors is an integer number (4560370).

Almost surely, 2^9120739 is an apocalyptic number.

9120739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9120739 is an equidigital number, since it uses as much as digits as its factorization.

9120739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9120739 is about 3020.0561253063. The cubic root of 9120739 is about 208.9344284274.

The spelling of 9120739 in words is "nine million, one hundred twenty thousand, seven hundred thirty-nine".