1201223003 has 4 divisors (see below), whose sum is σ = 1201564080. Its totient is φ = 1200881928.

The previous prime is 1201222991. The next prime is 1201223011. The reversal of 1201223003 is 3003221021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201223003 - 2⁸ = 1201222747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201223083) 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 3 ways as a sum of consecutive naturals, for example, 165200 + ... + 172317.

It is an arithmetic number, because the mean of its divisors is an integer number (300391020).

Almost surely, 2^1201223003 is an apocalyptic number.

1201223003 is a deficient number, since it is larger than the sum of its proper divisors (341077).

1201223003 is an equidigital number, since it uses as much as digits as its factorization.

1201223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341076.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1201223003 is about 34658.6641837218. The cubic root of 1201223003 is about 1063.0194562249.

Adding to 1201223003 its reverse (3003221021), we get a palindrome (4204444024).

The spelling of 1201223003 in words is "one billion, two hundred one million, two hundred twenty-three thousand, three".