1205056799 has 2 divisors, whose sum is σ = 1205056800. Its totient is φ = 1205056798.

The previous prime is 1205056793. The next prime is 1205056823. The reversal of 1205056799 is 9976505021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1205056799 - 2¹² = 1205052703 is a prime.

It is a super-2 number, since 2×1205056799² = 2904323777632252802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205056793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602528399 + 602528400.

It is an arithmetic number, because the mean of its divisors is an integer number (602528400).

Almost surely, 2^1205056799 is an apocalyptic number.

1205056799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205056799 is an equidigital number, since it uses as much as digits as its factorization.

1205056799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 1205056799 is about 34713.9280260820. The cubic root of 1205056799 is about 1064.1491581340.

The spelling of 1205056799 in words is "one billion, two hundred five million, fifty-six thousand, seven hundred ninety-nine".