1004134121 has 4 divisors (see below), whose sum is σ = 1063200852. Its totient is φ = 945067392.

The previous prime is 1004134073. The next prime is 1004134123. The reversal of 1004134121 is 1214314001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214314001 = 25943 ⋅46807.

It can be written as a sum of positive squares in 2 ways, for example, as 813390400 + 190743721 = 28520^2 + 13811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004134121 - 2⁶ = 1004134057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 59066713 = 1004134121 / (1 + 0 + 0 + 4 + 1 + 3 + 4 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004134121.

It is not an unprimeable number, because it can be changed into a prime (1004134123) 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, 29533340 + ... + 29533373.

It is an arithmetic number, because the mean of its divisors is an integer number (265800213).

Almost surely, 2^1004134121 is an apocalyptic number.

It is an amenable number.

1004134121 is a deficient number, since it is larger than the sum of its proper divisors (59066731).

1004134121 is an equidigital number, since it uses as much as digits as its factorization.

1004134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59066730.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1004134121 is about 31688.0753754468. The cubic root of 1004134121 is about 1001.3761456877.

Adding to 1004134121 its reverse (1214314001), we get a palindrome (2218448122).

The spelling of 1004134121 in words is "one billion, four million, one hundred thirty-four thousand, one hundred twenty-one".