118129142 has 8 divisors (see below), whose sum is σ = 180963936. Its totient is φ = 57807832.

The previous prime is 118129139. The next prime is 118129153. The reversal of 118129142 is 241921811.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 628253 + ... + 628440.

It is an arithmetic number, because the mean of its divisors is an integer number (22620492).

Almost surely, 2^118129142 is an apocalyptic number.

118129142 is a deficient number, since it is larger than the sum of its proper divisors (62834794).

118129142 is a wasteful number, since it uses less digits than its factorization.

118129142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256742.

The product of its digits is 1152, while the sum is 29.

The square root of 118129142 is about 10868.7231080748. The cubic root of 118129142 is about 490.6656813847.

The spelling of 118129142 in words is "one hundred eighteen million, one hundred twenty-nine thousand, one hundred forty-two".