1121326126 has 8 divisors (see below), whose sum is σ = 1682164440. Its totient is φ = 560604648.

The previous prime is 1121326123. The next prime is 1121326127. The reversal of 1121326126 is 6216231211.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1121326126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121326123) 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, 1060 + ... + 47368.

It is an arithmetic number, because the mean of its divisors is an integer number (210270555).

Almost surely, 2^1121326126 is an apocalyptic number.

1121326126 is a deficient number, since it is larger than the sum of its proper divisors (560838314).

1121326126 is a wasteful number, since it uses less digits than its factorization.

1121326126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58418.

The product of its digits is 864, while the sum is 25.

The square root of 1121326126 is about 33486.2079967261. The cubic root of 1121326126 is about 1038.9085337922.

Adding to 1121326126 its reverse (6216231211), we get a palindrome (7337557337).

The spelling of 1121326126 in words is "one billion, one hundred twenty-one million, three hundred twenty-six thousand, one hundred twenty-six".