1052120204123 has 4 divisors (see below), whose sum is σ = 1097864560848. Its totient is φ = 1006375847400.

The previous prime is 1052120204117. The next prime is 1052120204207. The reversal of 1052120204123 is 3214020212501.

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 1052120204123 - 2¹⁴ = 1052120187739 is a prime.

It is a super-2 number, since 2×1052120204123² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 45744356701 = 1052120204123 / (1 + 0 + 5 + 2 + 1 + 2 + 0 + 2 + 0 + 4 + 1 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (1052120284123) 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, 22872178328 + ... + 22872178373.

It is an arithmetic number, because the mean of its divisors is an integer number (274466140212).

Almost surely, 2^{1052120204123} is an apocalyptic number.

1052120204123 is a deficient number, since it is larger than the sum of its proper divisors (45744356725).

1052120204123 is an equidigital number, since it uses as much as digits as its factorization.

1052120204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45744356724.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1052120204123 its reverse (3214020212501), we get a palindrome (4266140416624).

The spelling of 1052120204123 in words is "one trillion, fifty-two billion, one hundred twenty million, two hundred four thousand, one hundred twenty-three".