1123025203 has 16 divisors (see below), whose sum is σ = 1174455360. Its totient is φ = 1072512000.

The previous prime is 1123025201. The next prime is 1123025207. The reversal of 1123025203 is 3025203211.

It is a cyclic number.

It is not a de Polignac number, because 1123025203 - 2¹ = 1123025201 is a prime.

It is a super-2 number, since 2×1123025203² = 2522371213146382418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123025201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475343 + ... + 1476103.

It is an arithmetic number, because the mean of its divisors is an integer number (73403460).

Almost surely, 2^1123025203 is an apocalyptic number.

1123025203 is a deficient number, since it is larger than the sum of its proper divisors (51430157).

1123025203 is a wasteful number, since it uses less digits than its factorization.

1123025203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1123025203 is about 33511.5681966690. The cubic root of 1123025203 is about 1039.4330005358.

Adding to 1123025203 its reverse (3025203211), we get a palindrome (4148228414).

The spelling of 1123025203 in words is "one billion, one hundred twenty-three million, twenty-five thousand, two hundred three".