117349621 has 2 divisors, whose sum is σ = 117349622. Its totient is φ = 117349620.

The previous prime is 117349613. The next prime is 117349649. The reversal of 117349621 is 126943711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67010596 + 50339025 = 8186^2 + 7095^2 .

It is a cyclic number.

It is not a de Polignac number, because 117349621 - 2³ = 117349613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117349121) 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, 58674810 + 58674811.

It is an arithmetic number, because the mean of its divisors is an integer number (58674811).

Almost surely, 2^117349621 is an apocalyptic number.

It is an amenable number.

117349621 is a deficient number, since it is larger than the sum of its proper divisors (1).

117349621 is an equidigital number, since it uses as much as digits as its factorization.

117349621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 117349621 is about 10832.8030075323. The cubic root of 117349621 is about 489.5840159644.

The spelling of 117349621 in words is "one hundred seventeen million, three hundred forty-nine thousand, six hundred twenty-one".