1121440234 has 8 divisors (see below), whose sum is σ = 1703453760. Its totient is φ = 553622316.

The previous prime is 1121440231. The next prime is 1121440253. The reversal of 1121440234 is 4320441211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1121440231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3548704 + ... + 3549019.

It is an arithmetic number, because the mean of its divisors is an integer number (212931720).

Almost surely, 2^1121440234 is an apocalyptic number.

1121440234 is a deficient number, since it is larger than the sum of its proper divisors (582013526).

1121440234 is an equidigital number, since it uses as much as digits as its factorization.

1121440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097804.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1121440234 is about 33487.9117593200. The cubic root of 1121440234 is about 1038.9437729468.

Adding to 1121440234 its reverse (4320441211), we get a palindrome (5441881445).

The spelling of 1121440234 in words is "one billion, one hundred twenty-one million, four hundred forty thousand, two hundred thirty-four".