1005125299 has 2 divisors, whose sum is σ = 1005125300. Its totient is φ = 1005125298.

The previous prime is 1005125293. The next prime is 1005125321. The reversal of 1005125299 is 9925215001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005125299 - 2⁷ = 1005125171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005125293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502562649 + 502562650.

It is an arithmetic number, because the mean of its divisors is an integer number (502562650).

Almost surely, 2^1005125299 is an apocalyptic number.

1005125299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005125299 is an equidigital number, since it uses as much as digits as its factorization.

1005125299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1005125299 is about 31703.7111234631. The cubic root of 1005125299 is about 1001.7055225392.

The spelling of 1005125299 in words is "one billion, five million, one hundred twenty-five thousand, two hundred ninety-nine".