1225100303 has 24 divisors (see below), whose sum is σ = 1468908000. Its totient is φ = 1021313664.

The previous prime is 1225100281. The next prime is 1225100311. The reversal of 1225100303 is 3030015221.

It is not a de Polignac number, because 1225100303 - 2¹⁰ = 1225099279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225100363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468263 + ... + 470871.

It is an arithmetic number, because the mean of its divisors is an integer number (61204500).

Almost surely, 2^1225100303 is an apocalyptic number.

1225100303 is a deficient number, since it is larger than the sum of its proper divisors (243807697).

1225100303 is an frugal number, since it uses more digits than its factorization.

1225100303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1225100303 is about 35001.4328706697. The cubic root of 1225100303 is about 1070.0166832930.

Adding to 1225100303 its reverse (3030015221), we get a palindrome (4255115524).

The spelling of 1225100303 in words is "one billion, two hundred twenty-five million, one hundred thousand, three hundred three".