117211329 has 6 divisors (see below), whose sum is σ = 169305266. Its totient is φ = 78140880.

The previous prime is 117211327. The next prime is 117211343. The reversal of 117211329 is 923112711.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 41990400 = 8673^2 + 6480^2 .

It is not a de Polignac number, because 117211329 - 2¹ = 117211327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117211327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6511732 + ... + 6511749.

Almost surely, 2^117211329 is an apocalyptic number.

It is an amenable number.

117211329 is a deficient number, since it is larger than the sum of its proper divisors (52093937).

117211329 is a wasteful number, since it uses less digits than its factorization.

117211329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023487 (or 13023484 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 117211329 is about 10826.4181057264. The cubic root of 117211329 is about 489.3916217448.

The spelling of 117211329 in words is "one hundred seventeen million, two hundred eleven thousand, three hundred twenty-nine".