1151246399 has 2 divisors, whose sum is σ = 1151246400. Its totient is φ = 1151246398.

The previous prime is 1151246387. The next prime is 1151246413. The reversal of 1151246399 is 9936421511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151246399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151246329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575623199 + 575623200.

It is an arithmetic number, because the mean of its divisors is an integer number (575623200).

Almost surely, 2^1151246399 is an apocalyptic number.

1151246399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151246399 is an equidigital number, since it uses as much as digits as its factorization.

1151246399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The square root of 1151246399 is about 33930.0220895890. The cubic root of 1151246399 is about 1048.0679206291.

The spelling of 1151246399 in words is "one billion, one hundred fifty-one million, two hundred forty-six thousand, three hundred ninety-nine".