1123121001004 has 48 divisors (see below), whose sum is σ = 1977342958080. Its totient is φ = 558180279360.

The previous prime is 1123121000983. The next prime is 1123121001019. The reversal of 1123121001004 is 4001001213211.

It is a super-2 number, since 2×1123121001004² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000107187 + ... + 1000108309.

It is an arithmetic number, because the mean of its divisors is an integer number (41194644960).

Almost surely, 2^{1123121001004} is an apocalyptic number.

It is an amenable number.

1123121001004 is a deficient number, since it is larger than the sum of its proper divisors (854221957076).

1123121001004 is a wasteful number, since it uses less digits than its factorization.

1123121001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1123121001004 its reverse (4001001213211), we get a palindrome (5124122214215).

The spelling of 1123121001004 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-one million, one thousand, four".