117140641 has 2 divisors, whose sum is σ = 117140642. Its totient is φ = 117140640.

The previous prime is 117140629. The next prime is 117140651. The reversal of 117140641 is 146041711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96118416 + 21022225 = 9804^2 + 4585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117140641 is a prime.

It is not a weakly prime, because it can be changed into another prime (117140651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58570320 + 58570321.

It is an arithmetic number, because the mean of its divisors is an integer number (58570321).

Almost surely, 2^117140641 is an apocalyptic number.

It is an amenable number.

117140641 is a deficient number, since it is larger than the sum of its proper divisors (1).

117140641 is an equidigital number, since it uses as much as digits as its factorization.

117140641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 117140641 is about 10823.1530064025. The cubic root of 117140641 is about 489.2932209276.

The spelling of 117140641 in words is "one hundred seventeen million, one hundred forty thousand, six hundred forty-one".