117500001 has 4 divisors (see below), whose sum is σ = 156666672. Its totient is φ = 78333332.

The previous prime is 117499981. The next prime is 117500011. The reversal of 117500001 is 100005711.

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.

It is a cyclic number.

It is not a de Polignac number, because 117500001 - 2⁷ = 117499873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117500011) 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, 19583331 + ... + 19583336.

It is an arithmetic number, because the mean of its divisors is an integer number (39166668).

Almost surely, 2^117500001 is an apocalyptic number.

It is an amenable number.

117500001 is a deficient number, since it is larger than the sum of its proper divisors (39166671).

117500001 is an equidigital number, since it uses as much as digits as its factorization.

117500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39166670.

The product of its (nonzero) digits is 35, while the sum is 15.

The square root of 117500001 is about 10839.7417404660. The cubic root of 117500001 is about 489.7930557473.

Adding to 117500001 its reverse (100005711), we get a palindrome (217505712).

The spelling of 117500001 in words is "one hundred seventeen million, five hundred thousand, one".