105656770 has 8 divisors (see below), whose sum is σ = 190182204. Its totient is φ = 42262704.

The previous prime is 105656741. The next prime is 105656821. The reversal of 105656770 is 77656501.

It can be written as a sum of positive squares in 2 ways, for example, as 104509729 + 1147041 = 10223^2 + 1071^2 .

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

It is a super-2 number, since 2×105656770² = 22326706093665800, 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, 5282829 + ... + 5282848.

Almost surely, 2^105656770 is an apocalyptic number.

105656770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105656770 is a deficient number, since it is larger than the sum of its proper divisors (84525434).

105656770 is a wasteful number, since it uses less digits than its factorization.

105656770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565684.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 105656770 is about 10278.9479033605. The cubic root of 105656770 is about 472.7509859787.

The spelling of 105656770 in words is "one hundred five million, six hundred fifty-six thousand, seven hundred seventy".