11885142 has 32 divisors (see below), whose sum is σ = 25423200. Its totient is φ = 3691008.

The previous prime is 11885129. The next prime is 11885143. The reversal of 11885142 is 24158811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885143) 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, 10584 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (794475).

Almost surely, 2^11885142 is an apocalyptic number.

11885142 is an abundant number, since it is smaller than the sum of its proper divisors (13538058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11885142 is a wasteful number, since it uses less digits than its factorization.

11885142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 2560, while the sum is 30.

The square root of 11885142 is about 3447.4834299819. The cubic root of 11885142 is about 228.2100634048.

The spelling of 11885142 in words is "eleven million, eight hundred eighty-five thousand, one hundred forty-two".