1104131405 has 16 divisors (see below), whose sum is σ = 1433182464. Its totient is φ = 811755840.

The previous prime is 1104131389. The next prime is 1104131407. The reversal of 1104131405 is 5041314011.

It is a happy number.

It is not a de Polignac number, because 1104131405 - 2⁴ = 1104131389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104131407) 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, 22661 + ... + 52170.

It is an arithmetic number, because the mean of its divisors is an integer number (89573904).

Almost surely, 2^1104131405 is an apocalyptic number.

It is an amenable number.

1104131405 is a deficient number, since it is larger than the sum of its proper divisors (329051059).

1104131405 is a wasteful number, since it uses less digits than its factorization.

1104131405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75076.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1104131405 is about 33228.4728057129. The cubic root of 1104131405 is about 1033.5708545796.

Adding to 1104131405 its reverse (5041314011), we get a palindrome (6145445416).

The spelling of 1104131405 in words is "one billion, one hundred four million, one hundred thirty-one thousand, four hundred five".