1105386620 has 48 divisors (see below), whose sum is σ = 2586094560. Its totient is φ = 394066176.

The previous prime is 1105386587. The next prime is 1105386629. The reversal of 1105386620 is 266835011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105386629) 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, 65762 + ... + 80841.

It is an arithmetic number, because the mean of its divisors is an integer number (53876970).

Almost surely, 2^1105386620 is an apocalyptic number.

1105386620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105386620 is an abundant number, since it is smaller than the sum of its proper divisors (1480707940).

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

1105386620 is a wasteful number, since it uses less digits than its factorization.

1105386620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146654 (or 146652 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1105386620 is about 33247.3550827731. The cubic root of 1105386620 is about 1033.9623726903.

The spelling of 1105386620 in words is "one billion, one hundred five million, three hundred eighty-six thousand, six hundred twenty".