1105421133 has 8 divisors (see below), whose sum is σ = 1474333600. Its totient is φ = 736728048.

The previous prime is 1105421117. The next prime is 1105421137. The reversal of 1105421133 is 3311245011.

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

It is not a de Polignac number, because 1105421133 - 2⁴ = 1105421117 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 (1105421137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42703 + ... + 63516.

It is an arithmetic number, because the mean of its divisors is an integer number (184291700).

Almost surely, 2^1105421133 is an apocalyptic number.

It is an amenable number.

1105421133 is a deficient number, since it is larger than the sum of its proper divisors (368912467).

1105421133 is a wasteful number, since it uses less digits than its factorization.

1105421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109691.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1105421133 is about 33247.8741124903. The cubic root of 1105421133 is about 1033.9731335624.

Adding to 1105421133 its reverse (3311245011), we get a palindrome (4416666144).

The spelling of 1105421133 in words is "one billion, one hundred five million, four hundred twenty-one thousand, one hundred thirty-three".