1242588799 has 2 divisors, whose sum is σ = 1242588800. Its totient is φ = 1242588798.

The previous prime is 1242588757. The next prime is 1242588811. The reversal of 1242588799 is 9978852421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242588799 - 2⁹ = 1242588287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242588199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621294399 + 621294400.

It is an arithmetic number, because the mean of its divisors is an integer number (621294400).

Almost surely, 2^1242588799 is an apocalyptic number.

1242588799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242588799 is an equidigital number, since it uses as much as digits as its factorization.

1242588799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 55.

The square root of 1242588799 is about 35250.3730334872. The cubic root of 1242588799 is about 1075.0841971911.

The spelling of 1242588799 in words is "one billion, two hundred forty-two million, five hundred eighty-eight thousand, seven hundred ninety-nine".