105030906 has 16 divisors (see below), whose sum is σ = 210736704. Its totient is φ = 34897824.

The previous prime is 105030899. The next prime is 105030907. The reversal of 105030906 is 609030501.

It is a super-2 number, since 2×105030906² = 22062982430361672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105030907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26086 + ... + 29841.

It is an arithmetic number, because the mean of its divisors is an integer number (13171044).

Almost surely, 2^105030906 is an apocalyptic number.

105030906 is an abundant number, since it is smaller than the sum of its proper divisors (105705798).

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

105030906 is a wasteful number, since it uses less digits than its factorization.

105030906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56245.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 105030906 is about 10248.4587133871. The cubic root of 105030906 is about 471.8156808085.

The spelling of 105030906 in words is "one hundred five million, thirty thousand, nine hundred six".