117428903 has 2 divisors, whose sum is σ = 117428904. Its totient is φ = 117428902.

The previous prime is 117428897. The next prime is 117428923. The reversal of 117428903 is 309824711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117428903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117428923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58714451 + 58714452.

It is an arithmetic number, because the mean of its divisors is an integer number (58714452).

Almost surely, 2^117428903 is an apocalyptic number.

117428903 is a deficient number, since it is larger than the sum of its proper divisors (1).

117428903 is an equidigital number, since it uses as much as digits as its factorization.

117428903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 117428903 is about 10836.4617380398. The cubic root of 117428903 is about 489.6942462934.

The spelling of 117428903 in words is "one hundred seventeen million, four hundred twenty-eight thousand, nine hundred three".