1321134524 has 12 divisors (see below), whose sum is σ = 2433669000. Its totient is φ = 625800528.

The previous prime is 1321134517. The next prime is 1321134541. The reversal of 1321134524 is 4254311231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1321134493 and 1321134502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8691599 + ... + 8691750.

It is an arithmetic number, because the mean of its divisors is an integer number (202805750).

Almost surely, 2^1321134524 is an apocalyptic number.

It is an amenable number.

1321134524 is a deficient number, since it is larger than the sum of its proper divisors (1112534476).

1321134524 is a wasteful number, since it uses less digits than its factorization.

1321134524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17383372 (or 17383370 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1321134524 is about 36347.4142684180. The cubic root of 1321134524 is about 1097.2754954743.

Adding to 1321134524 its reverse (4254311231), we get a palindrome (5575445755).

The spelling of 1321134524 in words is "one billion, three hundred twenty-one million, one hundred thirty-four thousand, five hundred twenty-four".