117951401 has 2 divisors, whose sum is σ = 117951402. Its totient is φ = 117951400.

The previous prime is 117951359. The next prime is 117951403. The reversal of 117951401 is 104159711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105596176 + 12355225 = 10276^2 + 3515^2 .

It is an emirp because it is prime and its reverse (104159711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117951401 - 2²² = 113757097 is a prime.

Together with 117951403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117951403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58975700 + 58975701.

It is an arithmetic number, because the mean of its divisors is an integer number (58975701).

Almost surely, 2^117951401 is an apocalyptic number.

It is an amenable number.

117951401 is a deficient number, since it is larger than the sum of its proper divisors (1).

117951401 is an equidigital number, since it uses as much as digits as its factorization.

117951401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 117951401 is about 10860.5433105347. The cubic root of 117951401 is about 490.4194672714.

The spelling of 117951401 in words is "one hundred seventeen million, nine hundred fifty-one thousand, four hundred one".