2117120039 has 2 divisors, whose sum is σ = 2117120040. Its totient is φ = 2117120038.

The previous prime is 2117120017. The next prime is 2117120051. The reversal of 2117120039 is 9300217112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2117120039 - 2¹⁶ = 2117054503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058560019 + 1058560020.

It is an arithmetic number, because the mean of its divisors is an integer number (1058560020).

Almost surely, 2^2117120039 is an apocalyptic number.

2117120039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117120039 is an equidigital number, since it uses as much as digits as its factorization.

2117120039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2117120039 is about 46012.1727263558. The cubic root of 2117120039 is about 1284.0496819818.

The spelling of 2117120039 in words is "two billion, one hundred seventeen million, one hundred twenty thousand, thirty-nine".