1260500203 has 2 divisors, whose sum is σ = 1260500204. Its totient is φ = 1260500202.

The previous prime is 1260500149. The next prime is 1260500231. The reversal of 1260500203 is 3020050621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260500203 - 2²⁵ = 1226945771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260503203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630250101 + 630250102.

It is an arithmetic number, because the mean of its divisors is an integer number (630250102).

Almost surely, 2^1260500203 is an apocalyptic number.

1260500203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260500203 is an equidigital number, since it uses as much as digits as its factorization.

1260500203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1260500203 is about 35503.5238110247. The cubic root of 1260500203 is about 1080.2252053795.

Adding to 1260500203 its reverse (3020050621), we get a palindrome (4280550824).

The spelling of 1260500203 in words is "one billion, two hundred sixty million, five hundred thousand, two hundred three".