1259231297 has 2 divisors, whose sum is σ = 1259231298. Its totient is φ = 1259231296.

The previous prime is 1259231287. The next prime is 1259231411. The reversal of 1259231297 is 7921329521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768342961 + 490888336 = 27719^2 + 22156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1259231297 - 2¹² = 1259227201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1259231227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629615648 + 629615649.

It is an arithmetic number, because the mean of its divisors is an integer number (629615649).

Almost surely, 2^1259231297 is an apocalyptic number.

It is an amenable number.

1259231297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1259231297 is an equidigital number, since it uses as much as digits as its factorization.

1259231297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 1259231297 is about 35485.6491697700. The cubic root of 1259231297 is about 1079.8626074080.

The spelling of 1259231297 in words is "one billion, two hundred fifty-nine million, two hundred thirty-one thousand, two hundred ninety-seven".