1103211425 has 24 divisors (see below), whose sum is σ = 1407959736. Its totient is φ = 856880640.

The previous prime is 1103211371. The next prime is 1103211427. The reversal of 1103211425 is 5241123011.

It can be written as a sum of positive squares in 12 ways, for example, as 274001809 + 829209616 = 16553^2 + 28796^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1103211425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103211397 and 1103211406.

It is not an unprimeable number, because it can be changed into a prime (1103211427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569759 + ... + 571691.

It is an arithmetic number, because the mean of its divisors is an integer number (58664989).

Almost surely, 2^1103211425 is an apocalyptic number.

It is an amenable number.

1103211425 is a deficient number, since it is larger than the sum of its proper divisors (304748311).

1103211425 is a wasteful number, since it uses less digits than its factorization.

1103211425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1103211425 is about 33214.6266725971. The cubic root of 1103211425 is about 1033.2837122085.

Adding to 1103211425 its reverse (5241123011), we get a palindrome (6344334436).

The spelling of 1103211425 in words is "one billion, one hundred three million, two hundred eleven thousand, four hundred twenty-five".