1225030726 has 16 divisors (see below), whose sum is σ = 1859774400. Its totient is φ = 605138688.

The previous prime is 1225030679. The next prime is 1225030753. The reversal of 1225030726 is 6270305221.

It is a junction number, because it is equal to n+sod(n) for n = 1225030694 and 1225030703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68995 + ... + 84913.

It is an arithmetic number, because the mean of its divisors is an integer number (116235900).

Almost surely, 2^1225030726 is an apocalyptic number.

1225030726 is a deficient number, since it is larger than the sum of its proper divisors (634743674).

1225030726 is a wasteful number, since it uses less digits than its factorization.

1225030726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1225030726 is about 35000.4389401047. The cubic root of 1225030726 is about 1069.9964264591.

Adding to 1225030726 its reverse (6270305221), we get a palindrome (7495335947).

The spelling of 1225030726 in words is "one billion, two hundred twenty-five million, thirty thousand, seven hundred twenty-six".