105122690 has 8 divisors (see below), whose sum is σ = 189220860. Its totient is φ = 42049072.

The previous prime is 105122669. The next prime is 105122711. The reversal of 105122690 is 96221501.

It is an interprime number because it is at equal distance from previous prime (105122669) and next prime (105122711).

It can be written as a sum of positive squares in 2 ways, for example, as 96020401 + 9102289 = 9799^2 + 3017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105122690² = 22101559905672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256125 + ... + 5256144.

Almost surely, 2^105122690 is an apocalyptic number.

105122690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105122690 is a deficient number, since it is larger than the sum of its proper divisors (84098170).

105122690 is a wasteful number, since it uses less digits than its factorization.

105122690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512276.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 105122690 is about 10252.9356771610. The cubic root of 105122690 is about 471.9530769451.

The spelling of 105122690 in words is "one hundred five million, one hundred twenty-two thousand, six hundred ninety".