1043322121 has 16 divisors (see below), whose sum is σ = 1100107008. Its totient is φ = 988374400.

The previous prime is 1043322109. The next prime is 1043322127. The reversal of 1043322121 is 1212233401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1043322121 - 2¹⁵ = 1043289353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043322127) 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 15 ways as a sum of consecutive naturals, for example, 250371 + ... + 254503.

It is an arithmetic number, because the mean of its divisors is an integer number (68756688).

Almost surely, 2^1043322121 is an apocalyptic number.

It is an amenable number.

1043322121 is a deficient number, since it is larger than the sum of its proper divisors (56784887).

1043322121 is a wasteful number, since it uses less digits than its factorization.

1043322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043322121 is about 32300.4972252750. The cubic root of 1043322121 is about 1014.2370514462.

Adding to 1043322121 its reverse (1212233401), we get a palindrome (2255555522).

The spelling of 1043322121 in words is "one billion, forty-three million, three hundred twenty-two thousand, one hundred twenty-one".