106202890 has 8 divisors (see below), whose sum is σ = 191165220. Its totient is φ = 42481152.

The previous prime is 106202881. The next prime is 106202953. The reversal of 106202890 is 98202601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87254281 + 18948609 = 9341^2 + 4353^2 .

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

It is a super-2 number, since 2×106202890² = 22558107688704200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5310135 + ... + 5310154.

Almost surely, 2^106202890 is an apocalyptic number.

106202890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106202890 is a deficient number, since it is larger than the sum of its proper divisors (84962330).

106202890 is a wasteful number, since it uses less digits than its factorization.

106202890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620296.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 106202890 is about 10305.4786400244. The cubic root of 106202890 is about 473.5641069792.

The spelling of 106202890 in words is "one hundred six million, two hundred two thousand, eight hundred ninety".