117961452129 has 8 divisors (see below), whose sum is σ = 157283611200. Its totient is φ = 78640130576.

The previous prime is 117961452121. The next prime is 117961452143. The reversal of 117961452129 is 921254169711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117961452129 - 2³ = 117961452121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117961452121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288172 + ... + 564770.

It is an arithmetic number, because the mean of its divisors is an integer number (19660451400).

Almost surely, 2^117961452129 is an apocalyptic number.

It is an amenable number.

117961452129 is a deficient number, since it is larger than the sum of its proper divisors (39322159071).

117961452129 is a wasteful number, since it uses less digits than its factorization.

117961452129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418759.

The product of its digits is 272160, while the sum is 48.

The spelling of 117961452129 in words is "one hundred seventeen billion, nine hundred sixty-one million, four hundred fifty-two thousand, one hundred twenty-nine".