117820503 has 12 divisors (see below), whose sum is σ = 170518608. Its totient is φ = 78393120.

The previous prime is 117820499. The next prime is 117820519. The reversal of 117820503 is 305028711.

It is not a de Polignac number, because 117820503 - 2² = 117820499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117820583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7875 + ... + 17252.

It is an arithmetic number, because the mean of its divisors is an integer number (14209884).

Almost surely, 2^117820503 is an apocalyptic number.

117820503 is a deficient number, since it is larger than the sum of its proper divisors (52698105).

117820503 is a wasteful number, since it uses less digits than its factorization.

117820503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25654 (or 25651 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 117820503 is about 10854.5153277334. The cubic root of 117820503 is about 490.2379838001.

The spelling of 117820503 in words is "one hundred seventeen million, eight hundred twenty thousand, five hundred three".