117620903 has 2 divisors, whose sum is σ = 117620904. Its totient is φ = 117620902.

The previous prime is 117620843. The next prime is 117620917. The reversal of 117620903 is 309026711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117620903 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117626903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58810451 + 58810452.

It is an arithmetic number, because the mean of its divisors is an integer number (58810452).

Almost surely, 2^117620903 is an apocalyptic number.

117620903 is a deficient number, since it is larger than the sum of its proper divisors (1).

117620903 is an equidigital number, since it uses as much as digits as its factorization.

117620903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 117620903 is about 10845.3171000206. The cubic root of 117620903 is about 489.9609895363.

The spelling of 117620903 in words is "one hundred seventeen million, six hundred twenty thousand, nine hundred three".