117170401 has 4 divisors (see below), whose sum is σ = 119156400. Its totient is φ = 115184404.

The previous prime is 117170393. The next prime is 117170419. The reversal of 117170401 is 104071711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104071711 = 23 ⋅4524857.

It is a cyclic number.

It is not a de Polignac number, because 117170401 - 2³ = 117170393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117170101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992911 + ... + 993028.

It is an arithmetic number, because the mean of its divisors is an integer number (29789100).

Almost surely, 2^117170401 is an apocalyptic number.

It is an amenable number.

117170401 is a deficient number, since it is larger than the sum of its proper divisors (1985999).

117170401 is an equidigital number, since it uses as much as digits as its factorization.

117170401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985998.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 117170401 is about 10824.5277495141. The cubic root of 117170401 is about 489.3346529851.

The spelling of 117170401 in words is "one hundred seventeen million, one hundred seventy thousand, four hundred one".