117151117 has 2 divisors, whose sum is σ = 117151118. Its totient is φ = 117151116.

The previous prime is 117151103. The next prime is 117151123. The reversal of 117151117 is 711151711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76370121 + 40780996 = 8739^2 + 6386^2 .

It is a cyclic number.

It is not a de Polignac number, because 117151117 - 2⁷ = 117150989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117151091 and 117151100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117151157) 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, 58575558 + 58575559.

It is an arithmetic number, because the mean of its divisors is an integer number (58575559).

Almost surely, 2^117151117 is an apocalyptic number.

It is an amenable number.

117151117 is a deficient number, since it is larger than the sum of its proper divisors (1).

117151117 is an equidigital number, since it uses as much as digits as its factorization.

117151117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245, while the sum is 25.

The square root of 117151117 is about 10823.6369580654. The cubic root of 117151117 is about 489.3078064804.

The spelling of 117151117 in words is "one hundred seventeen million, one hundred fifty-one thousand, one hundred seventeen".