1144021004 has 24 divisors (see below), whose sum is σ = 2288885760. Its totient is φ = 490113936.

The previous prime is 1144020959. The next prime is 1144021133. The reversal of 1144021004 is 4001204411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93557 + ... + 105075.

It is an arithmetic number, because the mean of its divisors is an integer number (95370240).

Almost surely, 2^1144021004 is an apocalyptic number.

1144021004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1144021004 is an abundant number, since it is smaller than the sum of its proper divisors (1144864756).

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

1144021004 is a wasteful number, since it uses less digits than its factorization.

1144021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15077 (or 15075 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1144021004 is about 33823.3795472895. The cubic root of 1144021004 is about 1045.8707070503.

Adding to 1144021004 its reverse (4001204411), we get a palindrome (5145225415).

The spelling of 1144021004 in words is "one billion, one hundred forty-four million, twenty-one thousand, four".