117771133 has 2 divisors, whose sum is σ = 117771134. Its totient is φ = 117771132.

The previous prime is 117771083. The next prime is 117771149. The reversal of 117771133 is 331177711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88416409 + 29354724 = 9403^2 + 5418^2 .

It is an emirp because it is prime and its reverse (331177711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117771133 - 2²⁵ = 84216701 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 117771095 and 117771104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117771163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58885566 + 58885567.

It is an arithmetic number, because the mean of its divisors is an integer number (58885567).

Almost surely, 2^117771133 is an apocalyptic number.

It is an amenable number.

117771133 is a deficient number, since it is larger than the sum of its proper divisors (1).

117771133 is an equidigital number, since it uses as much as digits as its factorization.

117771133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087, while the sum is 31.

The square root of 117771133 is about 10852.2409206578. The cubic root of 117771133 is about 490.1694998774.

The spelling of 117771133 in words is "one hundred seventeen million, seven hundred seventy-one thousand, one hundred thirty-three".