1244760133 has 2 divisors, whose sum is σ = 1244760134. Its totient is φ = 1244760132.

The previous prime is 1244760061. The next prime is 1244760169. The reversal of 1244760133 is 3310674421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 827252644 + 417507489 = 28762^2 + 20433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244760133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244760095 and 1244760104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244760193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622380066 + 622380067.

It is an arithmetic number, because the mean of its divisors is an integer number (622380067).

Almost surely, 2^1244760133 is an apocalyptic number.

It is an amenable number.

1244760133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244760133 is an equidigital number, since it uses as much as digits as its factorization.

1244760133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1244760133 is about 35281.1583284903. The cubic root of 1244760133 is about 1075.7100434024.

The spelling of 1244760133 in words is "one billion, two hundred forty-four million, seven hundred sixty thousand, one hundred thirty-three".