1045231259 has 2 divisors, whose sum is σ = 1045231260. Its totient is φ = 1045231258.

The previous prime is 1045231237. The next prime is 1045231277. The reversal of 1045231259 is 9521325401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1045231259 - 2¹² = 1045227163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045236259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522615629 + 522615630.

It is an arithmetic number, because the mean of its divisors is an integer number (522615630).

Almost surely, 2^1045231259 is an apocalyptic number.

1045231259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045231259 is an equidigital number, since it uses as much as digits as its factorization.

1045231259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1045231259 is about 32330.0364831220. The cubic root of 1045231259 is about 1014.8553132433.

The spelling of 1045231259 in words is "one billion, forty-five million, two hundred thirty-one thousand, two hundred fifty-nine".