1004444121 has 8 divisors (see below), whose sum is σ = 1354307040. Its totient is φ = 662105312.

The previous prime is 1004444083. The next prime is 1004444123. The reversal of 1004444121 is 1214444001.

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 1004444121 - 2¹¹ = 1004442073 is a prime.

It is a super-2 number, since 2×1004444121² = 2017815984422925282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1004444123) 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, 1880715 + ... + 1881248.

It is an arithmetic number, because the mean of its divisors is an integer number (169288380).

Almost surely, 2^1004444121 is an apocalyptic number.

It is an amenable number.

1004444121 is a deficient number, since it is larger than the sum of its proper divisors (349862919).

1004444121 is an equidigital number, since it uses as much as digits as its factorization.

1004444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762055.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1004444121 is about 31692.9664279001. The cubic root of 1004444121 is about 1001.4791846008.

Adding to 1004444121 its reverse (1214444001), we get a palindrome (2218888122).

The spelling of 1004444121 in words is "one billion, four million, four hundred forty-four thousand, one hundred twenty-one".