116123138 has 8 divisors (see below), whose sum is σ = 177040380. Its totient is φ = 57109680.

The previous prime is 116123101. The next prime is 116123143. The reversal of 116123138 is 831321611.

It can be written as a sum of positive squares in 2 ways, for example, as 83484769 + 32638369 = 9137^2 + 5713^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475793 + ... + 476036.

Almost surely, 2^116123138 is an apocalyptic number.

116123138 is a deficient number, since it is larger than the sum of its proper divisors (60917242).

116123138 is an equidigital number, since it uses as much as digits as its factorization.

116123138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951892.

The product of its digits is 864, while the sum is 26.

The square root of 116123138 is about 10776.0446361362. The cubic root of 116123138 is about 487.8724051659.

Adding to 116123138 its reverse (831321611), we get a palindrome (947444749).

The spelling of 116123138 in words is "one hundred sixteen million, one hundred twenty-three thousand, one hundred thirty-eight".