117742903 has 2 divisors, whose sum is σ = 117742904. Its totient is φ = 117742902.

The previous prime is 117742861. The next prime is 117742967. The reversal of 117742903 is 309247711.

It is a weak prime.

It is an emirp because it is prime and its reverse (309247711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117742903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117742973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58871451 + 58871452.

It is an arithmetic number, because the mean of its divisors is an integer number (58871452).

Almost surely, 2^117742903 is an apocalyptic number.

117742903 is a deficient number, since it is larger than the sum of its proper divisors (1).

117742903 is an equidigital number, since it uses as much as digits as its factorization.

117742903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 117742903 is about 10850.9401896794. The cubic root of 117742903 is about 490.1303318448.

The spelling of 117742903 in words is "one hundred seventeen million, seven hundred forty-two thousand, nine hundred three".