117485729 has 2 divisors, whose sum is σ = 117485730. Its totient is φ = 117485728.

The previous prime is 117485723. The next prime is 117485737. The reversal of 117485729 is 927584711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101042704 + 16443025 = 10052^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 117485729 - 2⁴ = 117485713 is a prime.

It is a super-2 number, since 2×117485729² = 27605793037322882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117485729.

It is not a weakly prime, because it can be changed into another prime (117485723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58742864 + 58742865.

It is an arithmetic number, because the mean of its divisors is an integer number (58742865).

Almost surely, 2^117485729 is an apocalyptic number.

It is an amenable number.

117485729 is a deficient number, since it is larger than the sum of its proper divisors (1).

117485729 is an equidigital number, since it uses as much as digits as its factorization.

117485729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 117485729 is about 10839.0834022070. The cubic root of 117485729 is about 489.7732242310.

The spelling of 117485729 in words is "one hundred seventeen million, four hundred eighty-five thousand, seven hundred twenty-nine".