117571061 has 2 divisors, whose sum is σ = 117571062. Its totient is φ = 117571060.

The previous prime is 117571057. The next prime is 117571079. The reversal of 117571061 is 160175711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 38254225 = 8906^2 + 6185^2 .

It is an emirp because it is prime and its reverse (160175711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117571061 - 2² = 117571057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117571021) 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, 58785530 + 58785531.

It is an arithmetic number, because the mean of its divisors is an integer number (58785531).

Almost surely, 2^117571061 is an apocalyptic number.

It is an amenable number.

117571061 is a deficient number, since it is larger than the sum of its proper divisors (1).

117571061 is an equidigital number, since it uses as much as digits as its factorization.

117571061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 29.

The square root of 117571061 is about 10843.0189984155. The cubic root of 117571061 is about 489.8917725710.

The spelling of 117571061 in words is "one hundred seventeen million, five hundred seventy-one thousand, sixty-one".