1122505203 has 16 divisors (see below), whose sum is σ = 1529978240. Its totient is φ = 731846016.

The previous prime is 1122505201. The next prime is 1122505207. The reversal of 1122505203 is 3025052211.

It is not a de Polignac number, because 1122505203 - 2¹ = 1122505201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122505203.

It is not an unprimeable number, because it can be changed into a prime (1122505201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7851 + ... + 48027.

It is an arithmetic number, because the mean of its divisors is an integer number (95623640).

Almost surely, 2^1122505203 is an apocalyptic number.

1122505203 is a deficient number, since it is larger than the sum of its proper divisors (407473037).

1122505203 is a wasteful number, since it uses less digits than its factorization.

1122505203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40386.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1122505203 is about 33503.8087834801. The cubic root of 1122505203 is about 1039.2725444734.

Adding to 1122505203 its reverse (3025052211), we get a palindrome (4147557414).

The spelling of 1122505203 in words is "one billion, one hundred twenty-two million, five hundred five thousand, two hundred three".