1222153103 has 16 divisors (see below), whose sum is σ = 1309071456. Its totient is φ = 1136977920.

The previous prime is 1222153099. The next prime is 1222153111. The reversal of 1222153103 is 3013512221.

It is a cyclic number.

It is not a de Polignac number, because 1222153103 - 2² = 1222153099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222152103) 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, 651575 + ... + 653447.

It is an arithmetic number, because the mean of its divisors is an integer number (81816966).

Almost surely, 2^1222153103 is an apocalyptic number.

1222153103 is a deficient number, since it is larger than the sum of its proper divisors (86918353).

1222153103 is a wasteful number, since it uses less digits than its factorization.

1222153103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1222153103 is about 34959.3063861399. The cubic root of 1222153103 is about 1069.1579548661.

Adding to 1222153103 its reverse (3013512221), we get a palindrome (4235665324).

The spelling of 1222153103 in words is "one billion, two hundred twenty-two million, one hundred fifty-three thousand, one hundred three".