1244465947 has 2 divisors, whose sum is σ = 1244465948. Its totient is φ = 1244465946.

The previous prime is 1244465927. The next prime is 1244466001. The reversal of 1244465947 is 7495644421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244465947 - 2¹⁹ = 1243941659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244465897 and 1244465906.

It is not a weakly prime, because it can be changed into another prime (1244465927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622232973 + 622232974.

It is an arithmetic number, because the mean of its divisors is an integer number (622232974).

Almost surely, 2^1244465947 is an apocalyptic number.

1244465947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244465947 is an equidigital number, since it uses as much as digits as its factorization.

1244465947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 1244465947 is about 35276.9889162893. The cubic root of 1244465947 is about 1075.6252924639.

The spelling of 1244465947 in words is "one billion, two hundred forty-four million, four hundred sixty-five thousand, nine hundred forty-seven".