1210505041 has 2 divisors, whose sum is σ = 1210505042. Its totient is φ = 1210505040.

The previous prime is 1210505039. The next prime is 1210505063. The reversal of 1210505041 is 1405050121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197436816 + 13068225 = 34604^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210505041 - 2¹ = 1210505039 is a prime.

Together with 1210505039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1210505141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605252520 + 605252521.

It is an arithmetic number, because the mean of its divisors is an integer number (605252521).

Almost surely, 2^1210505041 is an apocalyptic number.

It is an amenable number.

1210505041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210505041 is an equidigital number, since it uses as much as digits as its factorization.

1210505041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1210505041 is about 34792.3129584683. The cubic root of 1210505041 is about 1065.7504731194.

Adding to 1210505041 its reverse (1405050121), we get a palindrome (2615555162).

The spelling of 1210505041 in words is "one billion, two hundred ten million, five hundred five thousand, forty-one".