1042544099 has 2 divisors, whose sum is σ = 1042544100. Its totient is φ = 1042544098.

The previous prime is 1042544089. The next prime is 1042544147. The reversal of 1042544099 is 9904452401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042544099 - 2¹² = 1042540003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042544039) 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, 521272049 + 521272050.

It is an arithmetic number, because the mean of its divisors is an integer number (521272050).

Almost surely, 2^1042544099 is an apocalyptic number.

1042544099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042544099 is an equidigital number, since it uses as much as digits as its factorization.

1042544099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1042544099 is about 32288.4514803668. The cubic root of 1042544099 is about 1013.9848778198.

The spelling of 1042544099 in words is "one billion, forty-two million, five hundred forty-four thousand, ninety-nine".