1104020781 has 8 divisors (see below), whose sum is σ = 1473298080. Its totient is φ = 735378672.

The previous prime is 1104020711. The next prime is 1104020789. The reversal of 1104020781 is 1870204011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1104020781 - 2¹¹ = 1104018733 is a prime.

It is a super-2 number, since 2×1104020781² = 2437723769759699922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104020789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154726 + ... + 161703.

It is an arithmetic number, because the mean of its divisors is an integer number (184162260).

Almost surely, 2^1104020781 is an apocalyptic number.

It is an amenable number.

1104020781 is a deficient number, since it is larger than the sum of its proper divisors (369277299).

1104020781 is a wasteful number, since it uses less digits than its factorization.

1104020781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317595.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1104020781 is about 33226.8081675023. The cubic root of 1104020781 is about 1033.5363352701.

Adding to 1104020781 its reverse (1870204011), we get a palindrome (2974224792).

The spelling of 1104020781 in words is "one billion, one hundred four million, twenty thousand, seven hundred eighty-one".