117234587 has 2 divisors, whose sum is σ = 117234588. Its totient is φ = 117234586.

The previous prime is 117234583. The next prime is 117234613. The reversal of 117234587 is 785432711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117234587 - 2² = 117234583 is a prime.

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 117234587.

It is not a weakly prime, because it can be changed into another prime (117234583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58617293 + 58617294.

It is an arithmetic number, because the mean of its divisors is an integer number (58617294).

Almost surely, 2^117234587 is an apocalyptic number.

117234587 is a deficient number, since it is larger than the sum of its proper divisors (1).

117234587 is an equidigital number, since it uses as much as digits as its factorization.

117234587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 117234587 is about 10827.4921842502. The cubic root of 117234587 is about 489.4239892575.

The spelling of 117234587 in words is "one hundred seventeen million, two hundred thirty-four thousand, five hundred eighty-seven".