1104021135 has 96 divisors (see below), whose sum is σ = 2274435072. Its totient is φ = 484773120.

The previous prime is 1104021131. The next prime is 1104021167. The reversal of 1104021135 is 5311204011.

It is not a de Polignac number, because 1104021135 - 2² = 1104021131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104021131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1630417 + ... + 1631093.

It is an arithmetic number, because the mean of its divisors is an integer number (23692032).

Almost surely, 2^1104021135 is an apocalyptic number.

1104021135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1104021135 is an abundant number, since it is smaller than the sum of its proper divisors (1170413937).

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

1104021135 is a wasteful number, since it uses less digits than its factorization.

1104021135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1104021135 is about 33226.8134945258. The cubic root of 1104021135 is about 1033.5364457366.

Adding to 1104021135 its reverse (5311204011), we get a palindrome (6415225146).

The spelling of 1104021135 in words is "one billion, one hundred four million, twenty-one thousand, one hundred thirty-five".