1211023241 has 2 divisors, whose sum is σ = 1211023242. Its totient is φ = 1211023240.

The previous prime is 1211023223. The next prime is 1211023259. The reversal of 1211023241 is 1423201121.

It is a balanced prime because it is at equal distance from previous prime (1211023223) and next prime (1211023259).

It can be written as a sum of positive squares in only one way, i.e., 1023744016 + 187279225 = 31996^2 + 13685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211023241 - 2²² = 1206828937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1211023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605511620 + 605511621.

It is an arithmetic number, because the mean of its divisors is an integer number (605511621).

Almost surely, 2^1211023241 is an apocalyptic number.

It is an amenable number.

1211023241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211023241 is an equidigital number, since it uses as much as digits as its factorization.

1211023241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1211023241 is about 34799.7592089371. The cubic root of 1211023241 is about 1065.9025289663.

Adding to 1211023241 its reverse (1423201121), we get a palindrome (2634224362).

The spelling of 1211023241 in words is "one billion, two hundred eleven million, twenty-three thousand, two hundred forty-one".