1259494031 has 2 divisors, whose sum is σ = 1259494032. Its totient is φ = 1259494030.

The previous prime is 1259494001. The next prime is 1259494141. The reversal of 1259494031 is 1304949521.

It is a weak prime.

It is an emirp because it is prime and its reverse (1304949521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1259494031 - 2⁶ = 1259493967 is a prime.

It is a super-2 number, since 2×1259494031² = 3172650428249257922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1259494001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629747015 + 629747016.

It is an arithmetic number, because the mean of its divisors is an integer number (629747016).

Almost surely, 2^1259494031 is an apocalyptic number.

1259494031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1259494031 is an equidigital number, since it uses as much as digits as its factorization.

1259494031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1259494031 is about 35489.3509520814. The cubic root of 1259494031 is about 1079.9377053118.

The spelling of 1259494031 in words is "one billion, two hundred fifty-nine million, four hundred ninety-four thousand, thirty-one".