1200041231 has 2 divisors, whose sum is σ = 1200041232. Its totient is φ = 1200041230.

The previous prime is 1200041209. The next prime is 1200041251. The reversal of 1200041231 is 1321400021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200041231 is a prime.

It is a super-2 number, since 2×1200041231² = 2880197912199990722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200041251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600020615 + 600020616.

It is an arithmetic number, because the mean of its divisors is an integer number (600020616).

Almost surely, 2^1200041231 is an apocalyptic number.

1200041231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200041231 is an equidigital number, since it uses as much as digits as its factorization.

1200041231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1200041231 is about 34641.6112644894. The cubic root of 1200041231 is about 1062.6707397309.

Adding to 1200041231 its reverse (1321400021), we get a palindrome (2521441252).

The spelling of 1200041231 in words is "one billion, two hundred million, forty-one thousand, two hundred thirty-one".