117048661 has 4 divisors (see below), whose sum is σ = 117970432. Its totient is φ = 116126892.

The previous prime is 117048647. The next prime is 117048671. The reversal of 117048661 is 166840711.

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 117048661 - 2⁵ = 117048629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117048641) 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, 460695 + ... + 460948.

It is an arithmetic number, because the mean of its divisors is an integer number (29492608).

Almost surely, 2^117048661 is an apocalyptic number.

It is an amenable number.

117048661 is a deficient number, since it is larger than the sum of its proper divisors (921771).

117048661 is an equidigital number, since it uses as much as digits as its factorization.

117048661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921770.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 117048661 is about 10818.9029480812. The cubic root of 117048661 is about 489.1651214206.

The spelling of 117048661 in words is "one hundred seventeen million, forty-eight thousand, six hundred sixty-one".