1266057059 has 2 divisors, whose sum is σ = 1266057060. Its totient is φ = 1266057058.

The previous prime is 1266057049. The next prime is 1266057071. The reversal of 1266057059 is 9507506621.

It is a weak prime.

It is an emirp because it is prime and its reverse (9507506621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1266057059 - 2²⁰ = 1265008483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1266057049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633028529 + 633028530.

It is an arithmetic number, because the mean of its divisors is an integer number (633028530).

Almost surely, 2^1266057059 is an apocalyptic number.

1266057059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266057059 is an equidigital number, since it uses as much as digits as its factorization.

1266057059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 1266057059 is about 35581.6955610606. The cubic root of 1266057059 is about 1081.8102524983.

The spelling of 1266057059 in words is "one billion, two hundred sixty-six million, fifty-seven thousand, fifty-nine".