1201204003 has 12 divisors (see below), whose sum is σ = 1329575688. Its totient is φ = 1081382720.

The previous prime is 1201203989. The next prime is 1201204033. The reversal of 1201204003 is 3004021021.

It is not a de Polignac number, because 1201204003 - 2⁹ = 1201203491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201204033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57793 + ... + 75778.

It is an arithmetic number, because the mean of its divisors is an integer number (110797974).

Almost surely, 2^1201204003 is an apocalyptic number.

1201204003 is a deficient number, since it is larger than the sum of its proper divisors (128371685).

1201204003 is a wasteful number, since it uses less digits than its factorization.

1201204003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133634 (or 133611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1201204003 is about 34658.3900809025. The cubic root of 1201204003 is about 1063.0138515269.

Adding to 1201204003 its reverse (3004021021), we get a palindrome (4205225024).

The spelling of 1201204003 in words is "one billion, two hundred one million, two hundred four thousand, three".