1203122113 has 16 divisors (see below), whose sum is σ = 1283973120. Its totient is φ = 1123434496.

The previous prime is 1203122003. The next prime is 1203122117. The reversal of 1203122113 is 3112213021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203122113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672968 + ... + 1673686.

It is an arithmetic number, because the mean of its divisors is an integer number (80248320).

Almost surely, 2^1203122113 is an apocalyptic number.

It is an amenable number.

1203122113 is a deficient number, since it is larger than the sum of its proper divisors (80851007).

1203122113 is a wasteful number, since it uses less digits than its factorization.

1203122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1203122113 is about 34686.0506976508. The cubic root of 1203122113 is about 1063.5793655612.

Adding to 1203122113 its reverse (3112213021), we get a palindrome (4315335134).

The spelling of 1203122113 in words is "one billion, two hundred three million, one hundred twenty-two thousand, one hundred thirteen".