1249141603 has 2 divisors, whose sum is σ = 1249141604. Its totient is φ = 1249141602.

The previous prime is 1249141519. The next prime is 1249141609. The reversal of 1249141603 is 3061419421.

It is a strong prime.

It is an emirp because it is prime and its reverse (3061419421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1249141603 - 2¹³ = 1249133411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1249141609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624570801 + 624570802.

It is an arithmetic number, because the mean of its divisors is an integer number (624570802).

Almost surely, 2^1249141603 is an apocalyptic number.

1249141603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249141603 is an equidigital number, since it uses as much as digits as its factorization.

1249141603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1249141603 is about 35343.1974077049. The cubic root of 1249141603 is about 1076.9707071805.

The spelling of 1249141603 in words is "one billion, two hundred forty-nine million, one hundred forty-one thousand, six hundred three".