1004120121004 has 48 divisors (see below), whose sum is σ = 2359331202816. Its totient is φ = 361122120000.

The previous prime is 1004120121001. The next prime is 1004120121071. The reversal of 1004120121004 is 4001210214001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1004120121001) 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, 125385622 + ... + 125393629.

It is an arithmetic number, because the mean of its divisors is an integer number (49152733392).

Almost surely, 2^{1004120121004} is an apocalyptic number.

1004120121004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1004120121004 is an abundant number, since it is smaller than the sum of its proper divisors (1355211081812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004120121004 is a wasteful number, since it uses less digits than its factorization.

1004120121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250779286 (or 250779284 counting only the distinct ones).

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

Adding to 1004120121004 its reverse (4001210214001), we get a palindrome (5005330335005).

The spelling of 1004120121004 in words is "one trillion, four billion, one hundred twenty million, one hundred twenty-one thousand, four".