105106250 has 48 divisors (see below), whose sum is σ = 200799648. Its totient is φ = 41250000.

The previous prime is 105106217. The next prime is 105106273. The reversal of 105106250 is 52601501.

It is a super-2 number, since 2×105106250² = 22094647578125000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 418625 + ... + 418875.

It is an arithmetic number, because the mean of its divisors is an integer number (4183326).

Almost surely, 2^105106250 is an apocalyptic number.

105106250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105106250 is a deficient number, since it is larger than the sum of its proper divisors (95693398).

105106250 is an frugal number, since it uses more digits than its factorization.

105106250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105106250 is about 10252.1339242130. The cubic root of 105106250 is about 471.9284729543.

Adding to 105106250 its reverse (52601501), we get a palindrome (157707751).

The spelling of 105106250 in words is "one hundred five million, one hundred six thousand, two hundred fifty".