118131827 has 16 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 100775040.

The previous prime is 118131809. The next prime is 118131829. The reversal of 118131827 is 728131811.

It is a cyclic number.

It is not a de Polignac number, because 118131827 - 2⁸ = 118131571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118131793 and 118131802.

It is not an unprimeable number, because it can be changed into a prime (118131829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81374 + ... + 82812.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2^118131827 is an apocalyptic number.

118131827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

118131827 is a deficient number, since it is larger than the sum of its proper divisors (18725773).

118131827 is a wasteful number, since it uses less digits than its factorization.

118131827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its digits is 2688, while the sum is 32.

The square root of 118131827 is about 10868.8466269425. The cubic root of 118131827 is about 490.6693988625.

The spelling of 118131827 in words is "one hundred eighteen million, one hundred thirty-one thousand, eight hundred twenty-seven".