1149542299 has 2 divisors, whose sum is σ = 1149542300. Its totient is φ = 1149542298.

The previous prime is 1149542293. The next prime is 1149542311. The reversal of 1149542299 is 9922459411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1149542299 - 2⁷ = 1149542171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1149542293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574771149 + 574771150.

It is an arithmetic number, because the mean of its divisors is an integer number (574771150).

Almost surely, 2^1149542299 is an apocalyptic number.

1149542299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149542299 is an equidigital number, since it uses as much as digits as its factorization.

1149542299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 1149542299 is about 33904.9008109447. The cubic root of 1149542299 is about 1047.5505409433.

The spelling of 1149542299 in words is "one billion, one hundred forty-nine million, five hundred forty-two thousand, two hundred ninety-nine".