1004123144 has 32 divisors (see below), whose sum is σ = 2032344000. Its totient is φ = 463670592.

The previous prime is 1004123137. The next prime is 1004123149. The reversal of 1004123144 is 4413214001.

1004123144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1004123149) 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, 88754 + ... + 99425.

It is an arithmetic number, because the mean of its divisors is an integer number (63510750).

Almost surely, 2^1004123144 is an apocalyptic number.

It is an amenable number.

1004123144 is an abundant number, since it is smaller than the sum of its proper divisors (1028220856).

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

1004123144 is a wasteful number, since it uses less digits than its factorization.

1004123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188237 (or 188233 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1004123144 is about 31687.9021710179. The cubic root of 1004123144 is about 1001.3724967243.

Adding to 1004123144 its reverse (4413214001), we get a palindrome (5417337145).

The spelling of 1004123144 in words is "one billion, four million, one hundred twenty-three thousand, one hundred forty-four".