106123290 has 64 divisors (see below), whose sum is σ = 313479936. Its totient is φ = 22390272.

The previous prime is 106123249. The next prime is 106123291. The reversal of 106123290 is 92321601.

It is a super-2 number, since 2×106123290² = 22524305360848200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106123290.

It is not an unprimeable number, because it can be changed into a prime (106123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16707 + ... + 22166.

It is an arithmetic number, because the mean of its divisors is an integer number (4898124).

Almost surely, 2^106123290 is an apocalyptic number.

106123290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106123290 is an abundant number, since it is smaller than the sum of its proper divisors (207356646).

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

106123290 is a wasteful number, since it uses less digits than its factorization.

106123290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38903.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 106123290 is about 10301.6158926646. The cubic root of 106123290 is about 473.4457639203.

Adding to 106123290 its reverse (92321601), we get a palindrome (198444891).

The spelling of 106123290 in words is "one hundred six million, one hundred twenty-three thousand, two hundred ninety".