1042011263 has 2 divisors, whose sum is σ = 1042011264. Its totient is φ = 1042011262.

The previous prime is 1042011259. The next prime is 1042011293. The reversal of 1042011263 is 3621102401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042011263 - 2² = 1042011259 is a prime.

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 (1042011293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521005631 + 521005632.

It is an arithmetic number, because the mean of its divisors is an integer number (521005632).

Almost surely, 2^1042011263 is an apocalyptic number.

1042011263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042011263 is an equidigital number, since it uses as much as digits as its factorization.

1042011263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1042011263 is about 32280.1992404012. The cubic root of 1042011263 is about 1013.8121018453.

Adding to 1042011263 its reverse (3621102401), we get a palindrome (4663113664).

The spelling of 1042011263 in words is "one billion, forty-two million, eleven thousand, two hundred sixty-three".