117503 has 2 divisors, whose sum is σ = 117504. Its totient is φ = 117502.

The previous prime is 117499. The next prime is 117511. The reversal of 117503 is 305711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117503 - 2² = 117499 is a prime.

It is a Sophie Germain prime.

It is equal to p₁₁₀₈₇ and since 117503 and 11087 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58751 + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2¹¹⁷⁵⁰³ is an apocalyptic number.

117503 is a deficient number, since it is larger than the sum of its proper divisors (1).

117503 is an equidigital number, since it uses as much as digits as its factorization.

117503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 117503 is about 342.7871059419. The cubic root of 117503 is about 48.9797222774.

The spelling of 117503 in words is "one hundred seventeen thousand, five hundred three".