1043021225 has 12 divisors (see below), whose sum is σ = 1296346716. Its totient is φ = 832481280.

The previous prime is 1043021191. The next prime is 1043021267. The reversal of 1043021225 is 5221203401.

It can be written as a sum of positive squares in 6 ways, for example, as 353853721 + 689167504 = 18811^2 + 26252^2 .

It is not a de Polignac number, because 1043021225 - 2⁸ = 1043020969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043021197 and 1043021206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37352 + ... + 59001.

It is an arithmetic number, because the mean of its divisors is an integer number (108028893).

Almost surely, 2^1043021225 is an apocalyptic number.

It is an amenable number.

1043021225 is a deficient number, since it is larger than the sum of its proper divisors (253325491).

1043021225 is an equidigital number, since it uses as much as digits as its factorization.

1043021225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96796 (or 96791 counting only the distinct ones).

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

The square root of 1043021225 is about 32295.8391282840. The cubic root of 1043021225 is about 1014.1395394671.

Adding to 1043021225 its reverse (5221203401), we get a palindrome (6264224626).

The spelling of 1043021225 in words is "one billion, forty-three million, twenty-one thousand, two hundred twenty-five".