117481061 has 2 divisors, whose sum is σ = 117481062. Its totient is φ = 117481060.

The previous prime is 117481057. The next prime is 117481069. The reversal of 117481061 is 160184711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 24068836 = 9665^2 + 4906^2 .

It is an emirp because it is prime and its reverse (160184711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117481061 - 2² = 117481057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117481069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58740530 + 58740531.

It is an arithmetic number, because the mean of its divisors is an integer number (58740531).

Almost surely, 2^117481061 is an apocalyptic number.

It is an amenable number.

117481061 is a deficient number, since it is larger than the sum of its proper divisors (1).

117481061 is an equidigital number, since it uses as much as digits as its factorization.

117481061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 117481061 is about 10838.8680682071. The cubic root of 117481061 is about 489.7667375093.

The spelling of 117481061 in words is "one hundred seventeen million, four hundred eighty-one thousand, sixty-one".