1244300887 has 2 divisors, whose sum is σ = 1244300888. Its totient is φ = 1244300886.

The previous prime is 1244300789. The next prime is 1244300929. The reversal of 1244300887 is 7880034421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244300887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244300087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622150443 + 622150444.

It is an arithmetic number, because the mean of its divisors is an integer number (622150444).

Almost surely, 2^1244300887 is an apocalyptic number.

1244300887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244300887 is an equidigital number, since it uses as much as digits as its factorization.

1244300887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1244300887 is about 35274.6493533245. The cubic root of 1244300887 is about 1075.5777350997.

The spelling of 1244300887 in words is "one billion, two hundred forty-four million, three hundred thousand, eight hundred eighty-seven".