1042234409 has 2 divisors, whose sum is σ = 1042234410. Its totient is φ = 1042234408.

The previous prime is 1042234373. The next prime is 1042234421. The reversal of 1042234409 is 9044322401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022208784 + 20025625 = 31972^2 + 4475^2 .

It is an emirp because it is prime and its reverse (9044322401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042234409 - 2⁸ = 1042234153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042234499) 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, 521117204 + 521117205.

It is an arithmetic number, because the mean of its divisors is an integer number (521117205).

Almost surely, 2^1042234409 is an apocalyptic number.

It is an amenable number.

1042234409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042234409 is an equidigital number, since it uses as much as digits as its factorization.

1042234409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1042234409 is about 32283.6554466808. The cubic root of 1042234409 is about 1013.8844657362.

The spelling of 1042234409 in words is "one billion, forty-two million, two hundred thirty-four thousand, four hundred nine".