117127533121 has 3 divisors (see below), whose sum is σ = 117127875361. Its totient is φ = 117127190882.

The previous prime is 117127533119. The next prime is 117127533167. The reversal of 117127533121 is 121335721711.

The square root of 117127533121 is 342239.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 117127533121 - 2¹ = 117127533119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117127543121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 171120 + ... + 513358.

Almost surely, 2^117127533121 is an apocalyptic number.

117127533121 is the 342239-th square number.

117127533121 is the 171120-th centered octagonal number.

It is an amenable number.

117127533121 is a deficient number, since it is larger than the sum of its proper divisors (342240).

117127533121 is an frugal number, since it uses more digits than its factorization.

117127533121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684478 (or 342239 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The spelling of 117127533121 in words is "one hundred seventeen billion, one hundred twenty-seven million, five hundred thirty-three thousand, one hundred twenty-one".