1105121433 has 16 divisors (see below), whose sum is σ = 1587491136. Its totient is φ = 679796160.

The previous prime is 1105121429. The next prime is 1105121443. The reversal of 1105121433 is 3341215011.

It is not a de Polignac number, because 1105121433 - 2² = 1105121429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105121443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132091 + ... + 140207.

It is an arithmetic number, because the mean of its divisors is an integer number (99218196).

Almost surely, 2^1105121433 is an apocalyptic number.

1105121433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1105121433 is a deficient number, since it is larger than the sum of its proper divisors (482369703).

1105121433 is a wasteful number, since it uses less digits than its factorization.

1105121433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624.

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

The square root of 1105121433 is about 33243.3667518800. The cubic root of 1105121433 is about 1033.8796820719.

Adding to 1105121433 its reverse (3341215011), we get a palindrome (4446336444).

The spelling of 1105121433 in words is "one billion, one hundred five million, one hundred twenty-one thousand, four hundred thirty-three".