1004124121 has 48 divisors (see below), whose sum is σ = 1401926400. Its totient is φ = 706648320.

The previous prime is 1004124067. The next prime is 1004124139. The reversal of 1004124121 is 1214214001.

It is a happy number.

It is not a de Polignac number, because 1004124121 - 2¹¹ = 1004122073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004124095 and 1004124104.

It is not an unprimeable number, because it can be changed into a prime (1004124161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327805 + ... + 330853.

It is an arithmetic number, because the mean of its divisors is an integer number (29206800).

Almost surely, 2^1004124121 is an apocalyptic number.

1004124121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004124121 is a deficient number, since it is larger than the sum of its proper divisors (397802279).

1004124121 is a wasteful number, since it uses less digits than its factorization.

1004124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1004124121 is about 31687.9175869920. The cubic root of 1004124121 is about 1001.3728214987.

Adding to 1004124121 its reverse (1214214001), we get a palindrome (2218338122).

The spelling of 1004124121 in words is "one billion, four million, one hundred twenty-four thousand, one hundred twenty-one".