1142234121533 has 4 divisors (see below), whose sum is σ = 1142276311488. Its totient is φ = 1142191931580.

The previous prime is 1142234121527. The next prime is 1142234121551. The reversal of 1142234121533 is 3351214322411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142234121533 - 2¹⁰ = 1142234120509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142234121533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142234121433) 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, 21054341 + ... + 21108522.

It is an arithmetic number, because the mean of its divisors is an integer number (285569077872).

Almost surely, 2^{1142234121533} is an apocalyptic number.

It is an amenable number.

1142234121533 is a deficient number, since it is larger than the sum of its proper divisors (42189955).

1142234121533 is an equidigital number, since it uses as much as digits as its factorization.

1142234121533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42189954.

The product of its digits is 17280, while the sum is 32.

Adding to 1142234121533 its reverse (3351214322411), we get a palindrome (4493448443944).

The spelling of 1142234121533 in words is "one trillion, one hundred forty-two billion, two hundred thirty-four million, one hundred twenty-one thousand, five hundred thirty-three".