117336421 has 2 divisors, whose sum is σ = 117336422. Its totient is φ = 117336420.

The previous prime is 117336391. The next prime is 117336437. The reversal of 117336421 is 124633711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 15124321 = 10110^2 + 3889^2 .

It is a cyclic number.

It is not a de Polignac number, because 117336421 - 2⁵ = 117336389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117336421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117336451) 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, 58668210 + 58668211.

It is an arithmetic number, because the mean of its divisors is an integer number (58668211).

Almost surely, 2^117336421 is an apocalyptic number.

It is an amenable number.

117336421 is a deficient number, since it is larger than the sum of its proper divisors (1).

117336421 is an equidigital number, since it uses as much as digits as its factorization.

117336421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 117336421 is about 10832.1937298038. The cubic root of 117336421 is about 489.5656584237.

The spelling of 117336421 in words is "one hundred seventeen million, three hundred thirty-six thousand, four hundred twenty-one".