1225013304 has 64 divisors (see below), whose sum is σ = 3201661440. Its totient is φ = 389854080.

The previous prime is 1225013269. The next prime is 1225013323. The reversal of 1225013304 is 4033105221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346554 + ... + 350070.

It is an arithmetic number, because the mean of its divisors is an integer number (50025960).

Almost surely, 2^1225013304 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 1225013304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600830720).

1225013304 is an abundant number, since it is smaller than the sum of its proper divisors (1976648136).

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

1225013304 is a wasteful number, since it uses less digits than its factorization.

1225013304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1225013304 is about 35000.1900566268. The cubic root of 1225013304 is about 1069.9913540513.

Adding to 1225013304 its reverse (4033105221), we get a palindrome (5258118525).

The spelling of 1225013304 in words is "one billion, two hundred twenty-five million, thirteen thousand, three hundred four".