1106105906 has 4 divisors (see below), whose sum is σ = 1659158862. Its totient is φ = 553052952.

The previous prime is 1106105807. The next prime is 1106105909. The reversal of 1106105906 is 6095016011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 800380681 + 305725225 = 28291^2 + 17485^2 .

It is not an unprimeable number, because it can be changed into a prime (1106105909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276526475 + ... + 276526478.

Almost surely, 2^1106105906 is an apocalyptic number.

1106105906 is a deficient number, since it is larger than the sum of its proper divisors (553052956).

1106105906 is an equidigital number, since it uses as much as digits as its factorization.

1106105906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553052955.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1106105906 is about 33258.1705149276. The cubic root of 1106105906 is about 1034.1865939084.

It can be divided in two parts, 1106105 and 906, that added together give a palindrome (1107011).

The spelling of 1106105906 in words is "one billion, one hundred six million, one hundred five thousand, nine hundred six".