117047641 has 4 divisors (see below), whose sum is σ = 117091072. Its totient is φ = 117004212.

The previous prime is 117047629. The next prime is 117047653. The reversal of 117047641 is 146740711.

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: 146740711 = 13 ⋅11287747.

It is an interprime number because it is at equal distance from previous prime (117047629) and next prime (117047653).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117047641 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (117047141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17385 + ... + 23158.

It is an arithmetic number, because the mean of its divisors is an integer number (29272768).

Almost surely, 2^117047641 is an apocalyptic number.

It is an amenable number.

117047641 is a deficient number, since it is larger than the sum of its proper divisors (43431).

117047641 is an equidigital number, since it uses as much as digits as its factorization.

117047641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43430.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 117047641 is about 10818.8558082636. The cubic root of 117047641 is about 489.1637005019.

The spelling of 117047641 in words is "one hundred seventeen million, forty-seven thousand, six hundred forty-one".