1245210564 has 48 divisors (see below), whose sum is σ = 3137395520. Its totient is φ = 382112640.

The previous prime is 1245210563. The next prime is 1245210587. The reversal of 1245210564 is 4650125421.

It is not an unprimeable number, because it can be changed into a prime (1245210563) 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, 48594 + ... + 69654.

Almost surely, 2^1245210564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245210564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568697760).

1245210564 is an abundant number, since it is smaller than the sum of its proper divisors (1892184956).

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

1245210564 is a wasteful number, since it uses less digits than its factorization.

1245210564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460 (or 21458 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1245210564 is about 35287.5412008261. The cubic root of 1245210564 is about 1075.8397805046.

Adding to 1245210564 its reverse (4650125421), we get a palindrome (5895335985).

The spelling of 1245210564 in words is "one billion, two hundred forty-five million, two hundred ten thousand, five hundred sixty-four".