1104144021 has 16 divisors (see below), whose sum is σ = 1651060800. Its totient is φ = 729214704.

The previous prime is 1104144011. The next prime is 1104144023. The reversal of 1104144021 is 1204414011.

It is not a de Polignac number, because 1104144021 - 2¹⁹ = 1103619733 is a prime.

It is a super-2 number, since 2×1104144021² = 2438268038220096882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1104143985 and 1104144003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104144023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188206 + ... + 193983.

It is an arithmetic number, because the mean of its divisors is an integer number (103191300).

Almost surely, 2^1104144021 is an apocalyptic number.

It is an amenable number.

1104144021 is a deficient number, since it is larger than the sum of its proper divisors (546916779).

1104144021 is a wasteful number, since it uses less digits than its factorization.

1104144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382305 (or 382299 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1104144021 is about 33228.6626423634. The cubic root of 1104144021 is about 1033.5747911522.

Adding to 1104144021 its reverse (1204414011), we get a palindrome (2308558032).

The spelling of 1104144021 in words is "one billion, one hundred four million, one hundred forty-four thousand, twenty-one".