118941890 has 16 divisors (see below), whose sum is σ = 216061560. Its totient is φ = 47139840.

The previous prime is 118941857. The next prime is 118941917. The reversal of 118941890 is 98149811.

It can be written as a sum of positive squares in 4 ways, for example, as 94031809 + 24910081 = 9697^2 + 4991^2 .

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 7 ways as a sum of consecutive naturals, for example, 53471 + ... + 55650.

Almost surely, 2^118941890 is an apocalyptic number.

118941890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118941890 is a deficient number, since it is larger than the sum of its proper divisors (97119670).

118941890 is a wasteful number, since it uses less digits than its factorization.

118941890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109237.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 118941890 is about 10906.0483219175. The cubic root of 118941890 is about 491.7883974495.

The spelling of 118941890 in words is "one hundred eighteen million, nine hundred forty-one thousand, eight hundred ninety".