1225321004 has 12 divisors (see below), whose sum is σ = 2213483328. Its totient is φ = 592897200.

The previous prime is 1225321003. The next prime is 1225321043. The reversal of 1225321004 is 4001235221.

It is a super-3 number, since 3×1225321004³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225321003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4940687 + ... + 4940934.

It is an arithmetic number, because the mean of its divisors is an integer number (184456944).

Almost surely, 2^1225321004 is an apocalyptic number.

It is an amenable number.

1225321004 is a deficient number, since it is larger than the sum of its proper divisors (988162324).

1225321004 is a wasteful number, since it uses less digits than its factorization.

1225321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881656 (or 9881654 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1225321004 is about 35004.5854710494. The cubic root of 1225321004 is about 1070.0809336982.

Adding to 1225321004 its reverse (4001235221), we get a palindrome (5226556225).

The spelling of 1225321004 in words is "one billion, two hundred twenty-five million, three hundred twenty-one thousand, four".