1105345420 has 12 divisors (see below), whose sum is σ = 2321225424. Its totient is φ = 442138160.

The previous prime is 1105345403. The next prime is 1105345421. The reversal of 1105345420 is 245435011.

It is a happy number.

1105345420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1105345421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27633616 + ... + 27633655.

It is an arithmetic number, because the mean of its divisors is an integer number (193435452).

Almost surely, 2^1105345420 is an apocalyptic number.

1105345420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105345420 is an abundant number, since it is smaller than the sum of its proper divisors (1215880004).

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

1105345420 is a wasteful number, since it uses less digits than its factorization.

1105345420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55267280 (or 55267278 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1105345420 is about 33246.7354788406. The cubic root of 1105345420 is about 1033.9495265729.

The spelling of 1105345420 in words is "one billion, one hundred five million, three hundred forty-five thousand, four hundred twenty".