1105906090 has 16 divisors (see below), whose sum is σ = 2054845440. Its totient is φ = 428092560.

The previous prime is 1105906073. The next prime is 1105906093. The reversal of 1105906090 is 906095011.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1105906093) 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, 1783410 + ... + 1784029.

It is an arithmetic number, because the mean of its divisors is an integer number (128427840).

Almost surely, 2^1105906090 is an apocalyptic number.

1105906090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105906090 is a deficient number, since it is larger than the sum of its proper divisors (948939350).

1105906090 is a wasteful number, since it uses less digits than its factorization.

1105906090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567477.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1105906090 is about 33255.1663655439. The cubic root of 1105906090 is about 1034.1243155220.

The spelling of 1105906090 in words is "one billion, one hundred five million, nine hundred six thousand, ninety".