117945903 has 8 divisors (see below), whose sum is σ = 158409648. Its totient is φ = 78056384.

The previous prime is 117945887. The next prime is 117945941. The reversal of 117945903 is 309549711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117945903 - 2⁴ = 117945887 is a prime.

It is a super-2 number, since 2×117945903² = 27822472068970818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117945703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143076 + ... + 143897.

It is an arithmetic number, because the mean of its divisors is an integer number (19801206).

Almost surely, 2^117945903 is an apocalyptic number.

117945903 is a deficient number, since it is larger than the sum of its proper divisors (40463745).

117945903 is a wasteful number, since it uses less digits than its factorization.

117945903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287113.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 117945903 is about 10860.2901894931. The cubic root of 117945903 is about 490.4118472739.

The spelling of 117945903 in words is "one hundred seventeen million, nine hundred forty-five thousand, nine hundred three".