1103220123 has 16 divisors (see below), whose sum is σ = 1549276800. Its totient is φ = 696366720.

The previous prime is 1103220121. The next prime is 1103220137. The reversal of 1103220123 is 3210223011.

It is not a de Polignac number, because 1103220123 - 2¹ = 1103220121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103220121) 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, 116808 + ... + 125898.

It is an arithmetic number, because the mean of its divisors is an integer number (96829800).

Almost surely, 2^1103220123 is an apocalyptic number.

1103220123 is a deficient number, since it is larger than the sum of its proper divisors (446056677).

1103220123 is a wasteful number, since it uses less digits than its factorization.

1103220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242.

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

The square root of 1103220123 is about 33214.7576086293. The cubic root of 1103220123 is about 1033.2864277587.

Adding to 1103220123 its reverse (3210223011), we get a palindrome (4313443134).

The spelling of 1103220123 in words is "one billion, one hundred three million, two hundred twenty thousand, one hundred twenty-three".