1321134502 has 16 divisors (see below), whose sum is σ = 2050329600. Its totient is φ = 637789320.

The previous prime is 1321134499. The next prime is 1321134517. The reversal of 1321134502 is 2054311231.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2949 + ... + 51487.

It is an arithmetic number, because the mean of its divisors is an integer number (128145600).

Almost surely, 2^1321134502 is an apocalyptic number.

1321134502 is a deficient number, since it is larger than the sum of its proper divisors (729195098).

1321134502 is a wasteful number, since it uses less digits than its factorization.

1321134502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49011.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1321134502 is about 36347.4139657830. The cubic root of 1321134502 is about 1097.2754893835.

Adding to 1321134502 its reverse (2054311231), we get a palindrome (3375445733).

The spelling of 1321134502 in words is "one billion, three hundred twenty-one million, one hundred thirty-four thousand, five hundred two".