1200302231 has 2 divisors, whose sum is σ = 1200302232. Its totient is φ = 1200302230.

The previous prime is 1200302227. The next prime is 1200302249. The reversal of 1200302231 is 1322030021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200302231 - 2² = 1200302227 is a prime.

It is a super-2 number, since 2×1200302231² = 2881450891487154722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200302261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600151115 + 600151116.

It is an arithmetic number, because the mean of its divisors is an integer number (600151116).

Almost surely, 2^1200302231 is an apocalyptic number.

1200302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200302231 is an equidigital number, since it uses as much as digits as its factorization.

1200302231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1200302231 is about 34645.3782054692. The cubic root of 1200302231 is about 1062.7477751278.

Adding to 1200302231 its reverse (1322030021), we get a palindrome (2522332252).

The spelling of 1200302231 in words is "one billion, two hundred million, three hundred two thousand, two hundred thirty-one".