1225024560 has 200 divisors, whose sum is σ = 4310349120. Its totient is φ = 322403328.

The previous prime is 1225024553. The next prime is 1225024561. The reversal of 1225024560 is 654205221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225024561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 510724 + ... + 513116.

Almost surely, 2^1225024560 is an apocalyptic number.

1225024560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225024560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155174560).

1225024560 is an abundant number, since it is smaller than the sum of its proper divisors (3085324560).

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

1225024560 is a wasteful number, since it uses less digits than its factorization.

1225024560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1225024560 is about 35000.3508553843. The cubic root of 1225024560 is about 1069.9946312363.

Adding to 1225024560 its reverse (654205221), we get a palindrome (1879229781).

The spelling of 1225024560 in words is "one billion, two hundred twenty-five million, twenty-four thousand, five hundred sixty".