1240003049 has 2 divisors, whose sum is σ = 1240003050. Its totient is φ = 1240003048.

The previous prime is 1240003043. The next prime is 1240003067. The reversal of 1240003049 is 9403000421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1235874025 + 4129024 = 35155^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240003049 - 2²⁸ = 971567593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240003043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620001524 + 620001525.

It is an arithmetic number, because the mean of its divisors is an integer number (620001525).

Almost surely, 2^1240003049 is an apocalyptic number.

It is an amenable number.

1240003049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240003049 is an equidigital number, since it uses as much as digits as its factorization.

1240003049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1240003049 is about 35213.6770161822. The cubic root of 1240003049 is about 1074.3379515403.

The spelling of 1240003049 in words is "one billion, two hundred forty million, three thousand, forty-nine".