1121133126 has 32 divisors (see below), whose sum is σ = 2254855680. Its totient is φ = 371620224.

The previous prime is 1121133103. The next prime is 1121133227. The reversal of 1121133126 is 6213311211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1140031 + ... + 1141013.

It is an arithmetic number, because the mean of its divisors is an integer number (70464240).

Almost surely, 2^1121133126 is an apocalyptic number.

1121133126 is an abundant number, since it is smaller than the sum of its proper divisors (1133722554).

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

1121133126 is a wasteful number, since it uses less digits than its factorization.

1121133126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its digits is 216, while the sum is 21.

The square root of 1121133126 is about 33483.3260892642. The cubic root of 1121133126 is about 1038.8489255459.

Adding to 1121133126 its reverse (6213311211), we get a palindrome (7334444337).

The spelling of 1121133126 in words is "one billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-six".