117141257 has 2 divisors, whose sum is σ = 117141258. Its totient is φ = 117141256.

The previous prime is 117141197. The next prime is 117141263. The reversal of 117141257 is 752141711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108910096 + 8231161 = 10436^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 117141257 - 2¹² = 117137161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117141457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58570628 + 58570629.

It is an arithmetic number, because the mean of its divisors is an integer number (58570629).

Almost surely, 2^117141257 is an apocalyptic number.

It is an amenable number.

117141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

117141257 is an equidigital number, since it uses as much as digits as its factorization.

117141257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 29.

The square root of 117141257 is about 10823.1814638765. The cubic root of 117141257 is about 489.2940785978.

Adding to 117141257 its reverse (752141711), we get a palindrome (869282968).

The spelling of 117141257 in words is "one hundred seventeen million, one hundred forty-one thousand, two hundred fifty-seven".