1042105223 has 4 divisors (see below), whose sum is σ = 1042603800. Its totient is φ = 1041606648.

The previous prime is 1042105213. The next prime is 1042105249. The reversal of 1042105223 is 3225012401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042105223 - 2²⁰ = 1041056647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042105195 and 1042105204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042105213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246140 + ... + 250337.

It is an arithmetic number, because the mean of its divisors is an integer number (260650950).

Almost surely, 2^1042105223 is an apocalyptic number.

1042105223 is a deficient number, since it is larger than the sum of its proper divisors (498577).

1042105223 is an equidigital number, since it uses as much as digits as its factorization.

1042105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498576.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042105223 is about 32281.6545889457. The cubic root of 1042105223 is about 1013.8425733400.

Adding to 1042105223 its reverse (3225012401), we get a palindrome (4267117624).

The spelling of 1042105223 in words is "one billion, forty-two million, one hundred five thousand, two hundred twenty-three".