1322003121 has 8 divisors (see below), whose sum is σ = 1778842560. Its totient is φ = 873249552.

The previous prime is 1322003119. The next prime is 1322003129. The reversal of 1322003121 is 1213002231.

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

It is not a de Polignac number, because 1322003121 - 2¹ = 1322003119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322003121.

It is not an unprimeable number, because it can be changed into a prime (1322003129) 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, 2021085 + ... + 2021738.

It is an arithmetic number, because the mean of its divisors is an integer number (222355320).

Almost surely, 2^1322003121 is an apocalyptic number.

It is an amenable number.

1322003121 is a deficient number, since it is larger than the sum of its proper divisors (456839439).

1322003121 is a wasteful number, since it uses less digits than its factorization.

1322003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042935.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1322003121 is about 36359.3608442173. The cubic root of 1322003121 is about 1097.5159154539.

Adding to 1322003121 its reverse (1213002231), we get a palindrome (2535005352).

The spelling of 1322003121 in words is "one billion, three hundred twenty-two million, three thousand, one hundred twenty-one".