117389503 has 32 divisors (see below), whose sum is σ = 151142400. Its totient is φ = 88529760.

The previous prime is 117389491. The next prime is 117389509. The reversal of 117389503 is 305983711.

It is a happy number.

117389503 is a nontrivial binomial coefficient, being equal to C(15323, 2).

It is not a de Polignac number, because 117389503 - 2⁹ = 117388991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117389509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589798 + ... + 589996.

It is an arithmetic number, because the mean of its divisors is an integer number (4723200).

Almost surely, 2^117389503 is an apocalyptic number.

117389503 is the 15322-nd triangular number.

117389503 is the 5108-th centered nonagonal number.

117389503 is a deficient number, since it is larger than the sum of its proper divisors (33752897).

117389503 is a wasteful number, since it uses less digits than its factorization.

117389503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 117389503 is about 10834.6436489623. The cubic root of 117389503 is about 489.6394724088.

The spelling of 117389503 in words is "one hundred seventeen million, three hundred eighty-nine thousand, five hundred three".