117234487 has 2 divisors, whose sum is σ = 117234488. Its totient is φ = 117234486.

The previous prime is 117234461. The next prime is 117234547. The reversal of 117234487 is 784432711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117234487 - 2¹¹ = 117232439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117234587) 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, 58617243 + 58617244.

It is an arithmetic number, because the mean of its divisors is an integer number (58617244).

Almost surely, 2^117234487 is an apocalyptic number.

117234487 is a deficient number, since it is larger than the sum of its proper divisors (1).

117234487 is an equidigital number, since it uses as much as digits as its factorization.

117234487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 117234487 is about 10827.4875663748. The cubic root of 117234487 is about 489.4238500995.

The spelling of 117234487 in words is "one hundred seventeen million, two hundred thirty-four thousand, four hundred eighty-seven".