1256230303 has 2 divisors, whose sum is σ = 1256230304. Its totient is φ = 1256230302.

The previous prime is 1256230259. The next prime is 1256230309. The reversal of 1256230303 is 3030326521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1256230303 - 2¹⁷ = 1256099231 is a prime.

It is a super-2 number, since 2×1256230303² = 3156229148350943618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1256230309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628115151 + 628115152.

It is an arithmetic number, because the mean of its divisors is an integer number (628115152).

Almost surely, 2^1256230303 is an apocalyptic number.

1256230303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256230303 is an equidigital number, since it uses as much as digits as its factorization.

1256230303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1256230303 is about 35443.3393319535. The cubic root of 1256230303 is about 1079.0040839042.

Adding to 1256230303 its reverse (3030326521), we get a palindrome (4286556824).

The spelling of 1256230303 in words is "one billion, two hundred fifty-six million, two hundred thirty thousand, three hundred three".