1121040321 has 8 divisors (see below), whose sum is σ = 1542937344. Its totient is φ = 723251760.

The previous prime is 1121040317. The next prime is 1121040331. The reversal of 1121040321 is 1230401211.

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

It is not a de Polignac number, because 1121040321 - 2² = 1121040317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121040321.

It is not an unprimeable number, because it can be changed into a prime (1121040331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027006 + ... + 6027191.

It is an arithmetic number, because the mean of its divisors is an integer number (192867168).

Almost surely, 2^1121040321 is an apocalyptic number.

It is an amenable number.

1121040321 is a deficient number, since it is larger than the sum of its proper divisors (421897023).

1121040321 is a wasteful number, since it uses less digits than its factorization.

1121040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054231.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121040321 is about 33481.9402215582. The cubic root of 1121040321 is about 1038.8202601916.

Adding to 1121040321 its reverse (1230401211), we get a palindrome (2351441532).

The spelling of 1121040321 in words is "one billion, one hundred twenty-one million, forty thousand, three hundred twenty-one".