11971042 has 8 divisors (see below), whose sum is σ = 18094032. Its totient is φ = 5939700.

The previous prime is 11971039. The next prime is 11971073. The reversal of 11971042 is 24017911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11970998 and 11971016.

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, 22584 + ... + 23107.

It is an arithmetic number, because the mean of its divisors is an integer number (2261754).

Almost surely, 2^11971042 is an apocalyptic number.

11971042 is a deficient number, since it is larger than the sum of its proper divisors (6122990).

11971042 is a wasteful number, since it uses less digits than its factorization.

11971042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45824.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11971042 is about 3459.9193632222. The cubic root of 11971042 is about 228.7585410927.

Adding to 11971042 its reverse (24017911), we get a palindrome (35988953).

The spelling of 11971042 in words is "eleven million, nine hundred seventy-one thousand, forty-two".