11854142 has 8 divisors (see below), whose sum is σ = 17901000. Its totient is φ = 5887144.

The previous prime is 11854061. The next prime is 11854147. The reversal of 11854142 is 24145811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11854147) 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 3 ways as a sum of consecutive naturals, for example, 19592 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (2237625).

Almost surely, 2^11854142 is an apocalyptic number.

11854142 is a deficient number, since it is larger than the sum of its proper divisors (6046858).

11854142 is a wasteful number, since it uses less digits than its factorization.

11854142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39930.

The product of its digits is 1280, while the sum is 26.

The square root of 11854142 is about 3442.9844611906. The cubic root of 11854142 is about 228.0114773129.

Adding to 11854142 its reverse (24145811), we get a palindrome (35999953).

The spelling of 11854142 in words is "eleven million, eight hundred fifty-four thousand, one hundred forty-two".