1131210299 has 2 divisors, whose sum is σ = 1131210300. Its totient is φ = 1131210298.

The previous prime is 1131210251. The next prime is 1131210329. The reversal of 1131210299 is 9920121311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9920121311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131210299 - 2²⁰ = 1130161723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131210499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565605149 + 565605150.

It is an arithmetic number, because the mean of its divisors is an integer number (565605150).

Almost surely, 2^1131210299 is an apocalyptic number.

1131210299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131210299 is an equidigital number, since it uses as much as digits as its factorization.

1131210299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1131210299 is about 33633.4699220880. The cubic root of 1131210299 is about 1041.9521700384.

The spelling of 1131210299 in words is "one billion, one hundred thirty-one million, two hundred ten thousand, two hundred ninety-nine".