1321133002 has 48 divisors (see below), whose sum is σ = 2464862400. Its totient is φ = 527651712.

The previous prime is 1321132993. The next prime is 1321133029. The reversal of 1321133002 is 2003311231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167749 + ... + 175447.

It is an arithmetic number, because the mean of its divisors is an integer number (51351300).

Almost surely, 2^1321133002 is an apocalyptic number.

1321133002 is a deficient number, since it is larger than the sum of its proper divisors (1143729398).

1321133002 is a wasteful number, since it uses less digits than its factorization.

1321133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835 (or 7828 counting only the distinct ones).

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

The square root of 1321133002 is about 36347.3933315719. The cubic root of 1321133002 is about 1097.2750741056.

Adding to 1321133002 its reverse (2003311231), we get a palindrome (3324444233).

The spelling of 1321133002 in words is "one billion, three hundred twenty-one million, one hundred thirty-three thousand, two".