117970949 has 4 divisors (see below), whose sum is σ = 118653036. Its totient is φ = 117288864.

The previous prime is 117970901. The next prime is 117970991. The reversal of 117970949 is 949079711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949079711 = 37 ⋅25650803.

It can be written as a sum of positive squares in 2 ways, for example, as 81126049 + 36844900 = 9007^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 117970949 - 2⁸ = 117970693 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 (117970999) 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, 340784 + ... + 341129.

It is an arithmetic number, because the mean of its divisors is an integer number (29663259).

Almost surely, 2^117970949 is an apocalyptic number.

It is an amenable number.

117970949 is a deficient number, since it is larger than the sum of its proper divisors (682087).

117970949 is an equidigital number, since it uses as much as digits as its factorization.

117970949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682086.

The product of its (nonzero) digits is 142884, while the sum is 47.

The square root of 117970949 is about 10861.4432282271. The cubic root of 117970949 is about 490.4465580622.

The spelling of 117970949 in words is "one hundred seventeen million, nine hundred seventy thousand, nine hundred forty-nine".