117788001 has 4 divisors (see below), whose sum is σ = 157050672. Its totient is φ = 78525332.

The previous prime is 117787997. The next prime is 117788009. The reversal of 117788001 is 100887711.

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 117788001 - 2² = 117787997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117788009) 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, 19631331 + ... + 19631336.

It is an arithmetic number, because the mean of its divisors is an integer number (39262668).

Almost surely, 2^117788001 is an apocalyptic number.

It is an amenable number.

117788001 is a deficient number, since it is larger than the sum of its proper divisors (39262671).

117788001 is an equidigital number, since it uses as much as digits as its factorization.

117788001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39262670.

The product of its (nonzero) digits is 3136, while the sum is 33.

The square root of 117788001 is about 10853.0180595077. The cubic root of 117788001 is about 490.1929005875.

The spelling of 117788001 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, one".