1290130903 has 2 divisors, whose sum is σ = 1290130904. Its totient is φ = 1290130902.

The previous prime is 1290130883. The next prime is 1290130921. The reversal of 1290130903 is 3090310921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1290130903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290130103) 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, 645065451 + 645065452.

It is an arithmetic number, because the mean of its divisors is an integer number (645065452).

Almost surely, 2^1290130903 is an apocalyptic number.

1290130903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290130903 is an equidigital number, since it uses as much as digits as its factorization.

1290130903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1290130903 is about 35918.3922663585. The cubic root of 1290130903 is about 1088.6240537410.

The spelling of 1290130903 in words is "one billion, two hundred ninety million, one hundred thirty thousand, nine hundred three".