11478042 has 12 divisors (see below), whose sum is σ = 24869130. Its totient is φ = 3826008.

The previous prime is 11478041. The next prime is 11478059. The reversal of 11478042 is 24087411.

It can be written as a sum of positive squares in only one way, i.e., 9790641 + 1687401 = 3129^2 + 1299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11477997 and 11478015.

It is not an unprimeable number, because it can be changed into a prime (11478041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318817 + ... + 318852.

Almost surely, 2^11478042 is an apocalyptic number.

11478042 is an abundant number, since it is smaller than the sum of its proper divisors (13391088).

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

11478042 is a wasteful number, since it uses less digits than its factorization.

11478042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637677 (or 637674 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11478042 is about 3387.9259141841. The cubic root of 11478042 is about 225.5741189942.

The spelling of 11478042 in words is "eleven million, four hundred seventy-eight thousand, forty-two".