1244892029 has 2 divisors, whose sum is σ = 1244892030. Its totient is φ = 1244892028.

The previous prime is 1244892023. The next prime is 1244892049. The reversal of 1244892029 is 9202984421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956231929 + 288660100 = 30923^2 + 16990^2 .

It is an emirp because it is prime and its reverse (9202984421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244892029 - 2⁴ = 1244892013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244892023) 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, 622446014 + 622446015.

It is an arithmetic number, because the mean of its divisors is an integer number (622446015).

Almost surely, 2^1244892029 is an apocalyptic number.

It is an amenable number.

1244892029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244892029 is an equidigital number, since it uses as much as digits as its factorization.

1244892029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1244892029 is about 35283.0274919826. The cubic root of 1244892029 is about 1075.7480364896.

The spelling of 1244892029 in words is "one billion, two hundred forty-four million, eight hundred ninety-two thousand, twenty-nine".