1023412405 has 16 divisors (see below), whose sum is σ = 1234758384. Its totient is φ = 814302720.

The previous prime is 1023412391. The next prime is 1023412459. The reversal of 1023412405 is 5042143201.

It can be written as a sum of positive squares in 8 ways, for example, as 6185169 + 1017227236 = 2487^2 + 31894^2 .

It is not a de Polignac number, because 1023412405 - 2⁷ = 1023412277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073409 + ... + 1074361.

It is an arithmetic number, because the mean of its divisors is an integer number (77172399).

Almost surely, 2^1023412405 is an apocalyptic number.

It is an amenable number.

1023412405 is a deficient number, since it is larger than the sum of its proper divisors (211345979).

1023412405 is an equidigital number, since it uses as much as digits as its factorization.

1023412405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

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

The square root of 1023412405 is about 31990.8175106545. The cubic root of 1023412405 is about 1007.7440104994.

Adding to 1023412405 its reverse (5042143201), we get a palindrome (6065555606).

The spelling of 1023412405 in words is "one billion, twenty-three million, four hundred twelve thousand, four hundred five".