1091277059 has 2 divisors, whose sum is σ = 1091277060. Its totient is φ = 1091277058.

The previous prime is 1091277053. The next prime is 1091277101. The reversal of 1091277059 is 9507721901.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9507721901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1091277059 - 2²⁸ = 822841603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1091277053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545638529 + 545638530.

It is an arithmetic number, because the mean of its divisors is an integer number (545638530).

Almost surely, 2^1091277059 is an apocalyptic number.

1091277059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091277059 is an equidigital number, since it uses as much as digits as its factorization.

1091277059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 1091277059 is about 33034.4828777446. The cubic root of 1091277059 is about 1029.5442288677.

The spelling of 1091277059 in words is "one billion, ninety-one million, two hundred seventy-seven thousand, fifty-nine".