1210445231 has 2 divisors, whose sum is σ = 1210445232. Its totient is φ = 1210445230.

The previous prime is 1210445207. The next prime is 1210445263. The reversal of 1210445231 is 1325440121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210445231 - 2⁶ = 1210445167 is a prime.

It is a super-2 number, since 2×1210445231² = 2930355314501286722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210445197 and 1210445206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210445281) 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 as a sum of consecutive naturals, namely, 605222615 + 605222616.

It is an arithmetic number, because the mean of its divisors is an integer number (605222616).

Almost surely, 2^1210445231 is an apocalyptic number.

1210445231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210445231 is an equidigital number, since it uses as much as digits as its factorization.

1210445231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1210445231 is about 34791.4534189074. The cubic root of 1210445231 is about 1065.7329202294.

Adding to 1210445231 its reverse (1325440121), we get a palindrome (2535885352).

The spelling of 1210445231 in words is "one billion, two hundred ten million, four hundred forty-five thousand, two hundred thirty-one".