117755401 has 4 divisors (see below), whose sum is σ = 117780804. Its totient is φ = 117730000.

The previous prime is 117755389. The next prime is 117755411. The reversal of 117755401 is 104557711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104557711 = 53 ⋅1972787.

It can be written as a sum of positive squares in 2 ways, for example, as 70476025 + 47279376 = 8395^2 + 6876^2 .

It is a cyclic number.

It is not a de Polignac number, because 117755401 - 2²⁵ = 84200969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117755411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (29445201).

Almost surely, 2^117755401 is an apocalyptic number.

It is an amenable number.

117755401 is a deficient number, since it is larger than the sum of its proper divisors (25403).

117755401 is an equidigital number, since it uses as much as digits as its factorization.

117755401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25402.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 117755401 is about 10851.5160691951. The cubic root of 117755401 is about 490.1476731084.

The spelling of 117755401 in words is "one hundred seventeen million, seven hundred fifty-five thousand, four hundred one".