1042512223 has 2 divisors, whose sum is σ = 1042512224. Its totient is φ = 1042512222.

The previous prime is 1042512221. The next prime is 1042512239. The reversal of 1042512223 is 3222152401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042512223 - 2¹ = 1042512221 is a prime.

Together with 1042512221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1042512194 and 1042512203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042512221) 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, 521256111 + 521256112.

It is an arithmetic number, because the mean of its divisors is an integer number (521256112).

Almost surely, 2^1042512223 is an apocalyptic number.

1042512223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042512223 is an equidigital number, since it uses as much as digits as its factorization.

1042512223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1042512223 is about 32287.9578635751. The cubic root of 1042512223 is about 1013.9745434491.

Adding to 1042512223 its reverse (3222152401), we get a palindrome (4264664624).

The spelling of 1042512223 in words is "one billion, forty-two million, five hundred twelve thousand, two hundred twenty-three".