117004157 has 4 divisors (see below), whose sum is σ = 118162716. Its totient is φ = 115845600.

The previous prime is 117004141. The next prime is 117004159. The reversal of 117004157 is 751400711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56460196 + 60543961 = 7514^2 + 7781^2 .

It is a cyclic number.

It is not a de Polignac number, because 117004157 - 2⁴ = 117004141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117004159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579128 + ... + 579329.

It is an arithmetic number, because the mean of its divisors is an integer number (29540679).

Almost surely, 2^117004157 is an apocalyptic number.

It is an amenable number.

117004157 is a deficient number, since it is larger than the sum of its proper divisors (1158559).

117004157 is a wasteful number, since it uses less digits than its factorization.

117004157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158558.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 117004157 is about 10816.8459820781. The cubic root of 117004157 is about 489.1031171110.

Adding to 117004157 its reverse (751400711), we get a palindrome (868404868).

The spelling of 117004157 in words is "one hundred seventeen million, four thousand, one hundred fifty-seven".