117100129 has 2 divisors, whose sum is σ = 117100130. Its totient is φ = 117100128.

The previous prime is 117100111. The next prime is 117100169. The reversal of 117100129 is 921001711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82901025 + 34199104 = 9105^2 + 5848^2 .

It is a cyclic number.

It is not a de Polignac number, because 117100129 - 2⁷ = 117100001 is a prime.

It is not a weakly prime, because it can be changed into another prime (117100169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58550064 + 58550065.

It is an arithmetic number, because the mean of its divisors is an integer number (58550065).

Almost surely, 2^117100129 is an apocalyptic number.

It is an amenable number.

117100129 is a deficient number, since it is larger than the sum of its proper divisors (1).

117100129 is an equidigital number, since it uses as much as digits as its factorization.

117100129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 117100129 is about 10821.2813012138. The cubic root of 117100129 is about 489.2368085890.

The spelling of 117100129 in words is "one hundred seventeen million, one hundred thousand, one hundred twenty-nine".