1045242332121 has 16 divisors (see below), whose sum is σ = 1515432254336. Its totient is φ = 636981134976.

The previous prime is 1045242332119. The next prime is 1045242332143. The reversal of 1045242332121 is 1212332425401.

It is a happy number.

It is not a de Polignac number, because 1045242332121 - 2¹ = 1045242332119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045242332111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130098340 + ... + 130106373.

It is an arithmetic number, because the mean of its divisors is an integer number (94714515896).

Almost surely, 2^{1045242332121} is an apocalyptic number.

It is an amenable number.

1045242332121 is a deficient number, since it is larger than the sum of its proper divisors (470189922215).

1045242332121 is a wasteful number, since it uses less digits than its factorization.

1045242332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260204832.

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

Adding to 1045242332121 its reverse (1212332425401), we get a palindrome (2257574757522).

The spelling of 1045242332121 in words is "one trillion, forty-five billion, two hundred forty-two million, three hundred thirty-two thousand, one hundred twenty-one".