117157049 has 8 divisors (see below), whose sum is σ = 120453480. Its totient is φ = 113881600.

The previous prime is 117157031. The next prime is 117157093. The reversal of 117157049 is 940751711.

It can be written as a sum of positive squares in 4 ways, for example, as 23454649 + 93702400 = 4843^2 + 9680^2 .

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

It is not a de Polignac number, because 117157049 - 2²⁴ = 100379833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117157349) 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, 6437 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (15056685).

Almost surely, 2^117157049 is an apocalyptic number.

It is an amenable number.

117157049 is a deficient number, since it is larger than the sum of its proper divisors (3296431).

117157049 is a wasteful number, since it uses less digits than its factorization.

117157049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 117157049 is about 10823.9109844825. The cubic root of 117157049 is about 489.3160651153.

The spelling of 117157049 in words is "one hundred seventeen million, one hundred fifty-seven thousand, forty-nine".