1042234321 has 2 divisors, whose sum is σ = 1042234322. Its totient is φ = 1042234320.

The previous prime is 1042234253. The next prime is 1042234327. The reversal of 1042234321 is 1234322401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004890000 + 37344321 = 31700^2 + 6111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042234321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042234292 and 1042234301.

It is not a weakly prime, because it can be changed into another prime (1042234327) 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, 521117160 + 521117161.

It is an arithmetic number, because the mean of its divisors is an integer number (521117161).

Almost surely, 2^1042234321 is an apocalyptic number.

It is an amenable number.

1042234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042234321 is an equidigital number, since it uses as much as digits as its factorization.

1042234321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1042234321 is about 32283.6540837620. The cubic root of 1042234321 is about 1013.8844372008.

Adding to 1042234321 its reverse (1234322401), we get a palindrome (2276556722).

The spelling of 1042234321 in words is "one billion, forty-two million, two hundred thirty-four thousand, three hundred twenty-one".