117191101 has 2 divisors, whose sum is σ = 117191102. Its totient is φ = 117191100.

The previous prime is 117191093. The next prime is 117191119. The reversal of 117191101 is 101191711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 2722500 = 10699^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 117191101 - 2³ = 117191093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117191171) 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, 58595550 + 58595551.

It is an arithmetic number, because the mean of its divisors is an integer number (58595551).

Almost surely, 2^117191101 is an apocalyptic number.

It is an amenable number.

117191101 is a deficient number, since it is larger than the sum of its proper divisors (1).

117191101 is an equidigital number, since it uses as much as digits as its factorization.

117191101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 22.

The square root of 117191101 is about 10825.4838690933. The cubic root of 117191101 is about 489.3634675173.

The spelling of 117191101 in words is "one hundred seventeen million, one hundred ninety-one thousand, one hundred one".