1200603231 has 6 divisors (see below), whose sum is σ = 1734204680. Its totient is φ = 800402148.

The previous prime is 1200603193. The next prime is 1200603251. The reversal of 1200603231 is 1323060021.

It is not a de Polignac number, because 1200603231 - 2⁶ = 1200603167 is a prime.

It is a super-2 number, since 2×1200603231² = 2882896236575278722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200603251) 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 5 ways as a sum of consecutive naturals, for example, 66700171 + ... + 66700188.

Almost surely, 2^1200603231 is an apocalyptic number.

1200603231 is a deficient number, since it is larger than the sum of its proper divisors (533601449).

1200603231 is a wasteful number, since it uses less digits than its factorization.

1200603231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133400365 (or 133400362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1200603231 is about 34649.7219469363. The cubic root of 1200603231 is about 1062.8366028515.

Adding to 1200603231 its reverse (1323060021), we get a palindrome (2523663252).

The spelling of 1200603231 in words is "one billion, two hundred million, six hundred three thousand, two hundred thirty-one".