1245304264 has 64 divisors (see below), whose sum is σ = 2581374960. Its totient is φ = 560701440.

The previous prime is 1245304259. The next prime is 1245304267. The reversal of 1245304264 is 4624035421.

It can be written as a sum of positive squares in 8 ways, for example, as 721352164 + 523952100 = 26858^2 + 22890^2 .

It is not an unprimeable number, because it can be changed into a prime (1245304267) 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, 304924 + ... + 308980.

Almost surely, 2^1245304264 is an apocalyptic number.

It is an amenable number.

1245304264 is an abundant number, since it is smaller than the sum of its proper divisors (1336070696).

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

1245304264 is a wasteful number, since it uses less digits than its factorization.

1245304264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178 (or 4174 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1245304264 is about 35288.8688399047. The cubic root of 1245304264 is about 1075.8667648723.

Adding to 1245304264 its reverse (4624035421), we get a palindrome (5869339685).

The spelling of 1245304264 in words is "one billion, two hundred forty-five million, three hundred four thousand, two hundred sixty-four".