117081001 has 2 divisors, whose sum is σ = 117081002. Its totient is φ = 117081000.

The previous prime is 117080969. The next prime is 117081007. The reversal of 117081001 is 100180711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 47941776 = 8315^2 + 6924^2 .

It is a cyclic number.

It is not a de Polignac number, because 117081001 - 2⁵ = 117080969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117081001.

It is not a weakly prime, because it can be changed into another prime (117081007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58540500 + 58540501.

It is an arithmetic number, because the mean of its divisors is an integer number (58540501).

Almost surely, 2^117081001 is an apocalyptic number.

It is an amenable number.

117081001 is a deficient number, since it is larger than the sum of its proper divisors (1).

117081001 is an equidigital number, since it uses as much as digits as its factorization.

117081001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 117081001 is about 10820.3974511106. The cubic root of 117081001 is about 489.2101686205.

The spelling of 117081001 in words is "one hundred seventeen million, eighty-one thousand, one".