1332001321 has 4 divisors (see below), whose sum is σ = 1522287232. Its totient is φ = 1141715412.

The previous prime is 1332001301. The next prime is 1332001331. The reversal of 1332001321 is 1231002331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1332001321 - 2⁷ = 1332001193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332001295 and 1332001304.

It is not an unprimeable number, because it can be changed into a prime (1332001301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95142945 + ... + 95142958.

It is an arithmetic number, because the mean of its divisors is an integer number (380571808).

Almost surely, 2^1332001321 is an apocalyptic number.

It is an amenable number.

1332001321 is a deficient number, since it is larger than the sum of its proper divisors (190285911).

1332001321 is an equidigital number, since it uses as much as digits as its factorization.

1332001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190285910.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1332001321 is about 36496.5932793734. The cubic root of 1332001321 is about 1100.2757768608.

Adding to 1332001321 its reverse (1231002331), we get a palindrome (2563003652).

The spelling of 1332001321 in words is "one billion, three hundred thirty-two million, one thousand, three hundred twenty-one".