1122444487 has 2 divisors, whose sum is σ = 1122444488. Its totient is φ = 1122444486.

The previous prime is 1122444451. The next prime is 1122444493. The reversal of 1122444487 is 7844442211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122444487 - 2⁷ = 1122444359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122444887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561222243 + 561222244.

It is an arithmetic number, because the mean of its divisors is an integer number (561222244).

Almost surely, 2^1122444487 is an apocalyptic number.

1122444487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122444487 is an equidigital number, since it uses as much as digits as its factorization.

1122444487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 37.

The square root of 1122444487 is about 33502.9026652916. The cubic root of 1122444487 is about 1039.2538061462.

Adding to 1122444487 its reverse (7844442211), we get a palindrome (8966886698).

The spelling of 1122444487 in words is "one billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred eighty-seven".