117220739 has 2 divisors, whose sum is σ = 117220740. Its totient is φ = 117220738.

The previous prime is 117220687. The next prime is 117220759. The reversal of 117220739 is 937022711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117220739 - 2⁸ = 117220483 is a prime.

It is a super-3 number, since 3×117220739³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (117220759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58610369 + 58610370.

It is an arithmetic number, because the mean of its divisors is an integer number (58610370).

Almost surely, 2^117220739 is an apocalyptic number.

117220739 is a deficient number, since it is larger than the sum of its proper divisors (1).

117220739 is an equidigital number, since it uses as much as digits as its factorization.

117220739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 117220739 is about 10826.8526821048. The cubic root of 117220739 is about 489.4047178961.

The spelling of 117220739 in words is "one hundred seventeen million, two hundred twenty thousand, seven hundred thirty-nine".