1201123003 has 16 divisors (see below), whose sum is σ = 1270120320. Its totient is φ = 1134619200.

The previous prime is 1201122983. The next prime is 1201123051. The reversal of 1201123003 is 3003211021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201120003) 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, 158368 + ... + 165778.

It is an arithmetic number, because the mean of its divisors is an integer number (79382520).

Almost surely, 2^1201123003 is an apocalyptic number.

1201123003 is a deficient number, since it is larger than the sum of its proper divisors (68997317).

1201123003 is an equidigital number, since it uses as much as digits as its factorization.

1201123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201123003 is about 34657.2215129834. The cubic root of 1201123003 is about 1062.9899571517.

Adding to 1201123003 its reverse (3003211021), we get a palindrome (4204334024).

The spelling of 1201123003 in words is "one billion, two hundred one million, one hundred twenty-three thousand, three".