117909941 has 2 divisors, whose sum is σ = 117909942. Its totient is φ = 117909940.

The previous prime is 117909931. The next prime is 117910007. The reversal of 117909941 is 149909711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117180625 + 729316 = 10825^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 117909941 - 2¹⁴ = 117893557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117909901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58954970 + 58954971.

It is an arithmetic number, because the mean of its divisors is an integer number (58954971).

Almost surely, 2^117909941 is an apocalyptic number.

It is an amenable number.

117909941 is a deficient number, since it is larger than the sum of its proper divisors (1).

117909941 is an equidigital number, since it uses as much as digits as its factorization.

117909941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 117909941 is about 10858.6343984868. The cubic root of 117909941 is about 490.3619996089.

The spelling of 117909941 in words is "one hundred seventeen million, nine hundred nine thousand, nine hundred forty-one".