1103203122 has 32 divisors (see below), whose sum is σ = 2564352000. Its totient is φ = 309857808.

The previous prime is 1103203121. The next prime is 1103203133. The reversal of 1103203122 is 2213023011.

It is not an unprimeable number, because it can be changed into a prime (1103203121) 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, 220122 + ... + 225077.

It is an arithmetic number, because the mean of its divisors is an integer number (80136000).

Almost surely, 2^1103203122 is an apocalyptic number.

1103203122 is an abundant number, since it is smaller than the sum of its proper divisors (1461148878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103203122 is a wasteful number, since it uses less digits than its factorization.

1103203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445270.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1103203122 is about 33214.5016822472. The cubic root of 1103203122 is about 1033.2811199655.

Adding to 1103203122 its reverse (2213023011), we get a palindrome (3316226133).

The spelling of 1103203122 in words is "one billion, one hundred three million, two hundred three thousand, one hundred twenty-two".