1042711091 has 2 divisors, whose sum is σ = 1042711092. Its totient is φ = 1042711090.

The previous prime is 1042711081. The next prime is 1042711199. The reversal of 1042711091 is 1901172401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042711091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042711091.

It is not a weakly prime, because it can be changed into another prime (1042711001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521355545 + 521355546.

It is an arithmetic number, because the mean of its divisors is an integer number (521355546).

Almost surely, 2^1042711091 is an apocalyptic number.

1042711091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042711091 is an equidigital number, since it uses as much as digits as its factorization.

1042711091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1042711091 is about 32291.0373168779. The cubic root of 1042711091 is about 1014.0390140822.

Adding to 1042711091 its reverse (1901172401), we get a palindrome (2943883492).

The spelling of 1042711091 in words is "one billion, forty-two million, seven hundred eleven thousand, ninety-one".