1042521421233 has 8 divisors (see below), whose sum is σ = 1406775894048. Its totient is φ = 686640614624.

The previous prime is 1042521421219. The next prime is 1042521421289. The reversal of 1042521421233 is 3321241252401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042521421233 - 2¹⁰ = 1042521420209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042521421233.

It is not an unprimeable number, because it can be changed into a prime (1042521422233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093416260 + ... + 2093416757.

It is an arithmetic number, because the mean of its divisors is an integer number (175846986756).

Almost surely, 2^{1042521421233} is an apocalyptic number.

It is an amenable number.

1042521421233 is a deficient number, since it is larger than the sum of its proper divisors (364254472815).

1042521421233 is an equidigital number, since it uses as much as digits as its factorization.

1042521421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186833103.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1042521421233 its reverse (3321241252401), we get a palindrome (4363762673634).

The spelling of 1042521421233 in words is "one trillion, forty-two billion, five hundred twenty-one million, four hundred twenty-one thousand, two hundred thirty-three".