11121834 has 32 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 3499760.

The previous prime is 11121823. The next prime is 11121841. The reversal of 11121834 is 43812111.

It is a happy number.

11121834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11121834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10969 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (734832).

Almost surely, 2^11121834 is an apocalyptic number.

11121834 is an abundant number, since it is smaller than the sum of its proper divisors (12392790).

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

11121834 is a wasteful number, since it uses less digits than its factorization.

11121834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its digits is 192, while the sum is 21.

The square root of 11121834 is about 3334.9413787951. The cubic root of 11121834 is about 223.2160761664.

Adding to 11121834 its reverse (43812111), we get a palindrome (54933945).

It can be divided in two parts, 111 and 21834, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 11121834 in words is "eleven million, one hundred twenty-one thousand, eight hundred thirty-four".