11951042 has 4 divisors (see below), whose sum is σ = 17926566. Its totient is φ = 5975520.

The previous prime is 11951011. The next prime is 11951047. The reversal of 11951042 is 24015911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 3418801 = 2921^2 + 1849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11950999 and 11951017.

It is not an unprimeable number, because it can be changed into a prime (11951047) 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 as a sum of consecutive naturals, namely, 2987759 + ... + 2987762.

Almost surely, 2^11951042 is an apocalyptic number.

11951042 is a deficient number, since it is larger than the sum of its proper divisors (5975524).

11951042 is an equidigital number, since it uses as much as digits as its factorization.

11951042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975523.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11951042 is about 3457.0279142639. The cubic root of 11951042 is about 228.6310745753.

Adding to 11951042 its reverse (24015911), we get a palindrome (35966953).

The spelling of 11951042 in words is "eleven million, nine hundred fifty-one thousand, forty-two".