1004134042121 has 4 divisors (see below), whose sum is σ = 1147581762432. Its totient is φ = 860686321812.

The previous prime is 1004134042099. The next prime is 1004134042129. The reversal of 1004134042121 is 1212404314001.

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 1004134042121 - 2⁶ = 1004134042057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004134042129) 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, 71723860145 + ... + 71723860158.

It is an arithmetic number, because the mean of its divisors is an integer number (286895440608).

Almost surely, 2^{1004134042121} is an apocalyptic number.

It is an amenable number.

1004134042121 is a deficient number, since it is larger than the sum of its proper divisors (143447720311).

1004134042121 is an equidigital number, since it uses as much as digits as its factorization.

1004134042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143447720310.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1004134042121 its reverse (1212404314001), we get a palindrome (2216538356122).

The spelling of 1004134042121 in words is "one trillion, four billion, one hundred thirty-four million, forty-two thousand, one hundred twenty-one".