117129041 has 4 divisors (see below), whose sum is σ = 122221632. Its totient is φ = 112036452.

The previous prime is 117128989. The next prime is 117129043. The reversal of 117129041 is 140921711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140921711 = 7 ⋅20131673.

It is a cyclic number.

It is not a de Polignac number, because 117129041 - 2¹⁴ = 117112657 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117129041.

It is not an unprimeable number, because it can be changed into a prime (117129043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546261 + ... + 2546306.

It is an arithmetic number, because the mean of its divisors is an integer number (30555408).

Almost surely, 2^117129041 is an apocalyptic number.

It is an amenable number.

117129041 is a deficient number, since it is larger than the sum of its proper divisors (5092591).

117129041 is an equidigital number, since it uses as much as digits as its factorization.

117129041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092590.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 117129041 is about 10822.6171049335. The cubic root of 117129041 is about 489.2770694347.

The spelling of 117129041 in words is "one hundred seventeen million, one hundred twenty-nine thousand, forty-one".