1121441234 has 4 divisors (see below), whose sum is σ = 1682161854. Its totient is φ = 560720616.

The previous prime is 1121441201. The next prime is 1121441287. The reversal of 1121441234 is 4321441211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321441211 = 13421 ⋅321991.

It can be written as a sum of positive squares in only one way, i.e., 784168009 + 337273225 = 28003^2 + 18365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280360307 + ... + 280360310.

Almost surely, 2^1121441234 is an apocalyptic number.

1121441234 is a deficient number, since it is larger than the sum of its proper divisors (560720620).

1121441234 is an equidigital number, since it uses as much as digits as its factorization.

1121441234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560720619.

The product of its digits is 768, while the sum is 23.

The square root of 1121441234 is about 33487.9266900774. The cubic root of 1121441234 is about 1038.9440817590.

Subtracting from 1121441234 its sum of digits (23), we obtain a palindrome (1121441211).

Adding to 1121441234 its reverse (4321441211), we get a palindrome (5442882445).

The spelling of 1121441234 in words is "one billion, one hundred twenty-one million, four hundred forty-one thousand, two hundred thirty-four".