117172403 has 2 divisors, whose sum is σ = 117172404. Its totient is φ = 117172402.

The previous prime is 117172369. The next prime is 117172409. The reversal of 117172403 is 304271711.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (304271711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117172403 - 2¹⁴ = 117156019 is a prime.

It is not a weakly prime, because it can be changed into another prime (117172409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58586201 + 58586202.

It is an arithmetic number, because the mean of its divisors is an integer number (58586202).

Almost surely, 2^117172403 is an apocalyptic number.

117172403 is a deficient number, since it is larger than the sum of its proper divisors (1).

117172403 is an equidigital number, since it uses as much as digits as its factorization.

117172403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 117172403 is about 10824.6202242850. The cubic root of 117172403 is about 489.3374399301.

The spelling of 117172403 in words is "one hundred seventeen million, one hundred seventy-two thousand, four hundred three".