1245302564 has 48 divisors (see below), whose sum is σ = 2537256960. Its totient is φ = 528514560.

The previous prime is 1245302551. The next prime is 1245302567. The reversal of 1245302564 is 4652035421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245302564.

It is not an unprimeable number, because it can be changed into a prime (1245302567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88442 + ... + 101550.

It is an arithmetic number, because the mean of its divisors is an integer number (52859520).

Almost surely, 2^1245302564 is an apocalyptic number.

It is an amenable number.

1245302564 is an abundant number, since it is smaller than the sum of its proper divisors (1291954396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245302564 is a wasteful number, since it uses less digits than its factorization.

1245302564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268 (or 13266 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1245302564 is about 35288.8447529811. The cubic root of 1245302564 is about 1075.8662753067.

Adding to 1245302564 its reverse (4652035421), we get a palindrome (5897337985).

The spelling of 1245302564 in words is "one billion, two hundred forty-five million, three hundred two thousand, five hundred sixty-four".