1125299579 has 2 divisors, whose sum is σ = 1125299580. Its totient is φ = 1125299578.

The previous prime is 1125299573. The next prime is 1125299627. The reversal of 1125299579 is 9759925211.

It is a weak prime.

It is an emirp because it is prime and its reverse (9759925211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125299579 - 2²⁰ = 1124251003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125299573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562649789 + 562649790.

It is an arithmetic number, because the mean of its divisors is an integer number (562649790).

Almost surely, 2^1125299579 is an apocalyptic number.

1125299579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125299579 is an equidigital number, since it uses as much as digits as its factorization.

1125299579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 50.

The square root of 1125299579 is about 33545.4852252878. The cubic root of 1125299579 is about 1040.1342217669.

The spelling of 1125299579 in words is "one billion, one hundred twenty-five million, two hundred ninety-nine thousand, five hundred seventy-nine".