106249805 has 8 divisors (see below), whose sum is σ = 134210400. Its totient is φ = 80526096.

The previous prime is 106249799. The next prime is 106249807. The reversal of 106249805 is 508942601.

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

It is a cyclic number.

It is not a de Polignac number, because 106249805 - 2¹⁰ = 106248781 is a prime.

It is a super-2 number, since 2×106249805² = 22578042125076050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106249807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559115 + ... + 559304.

It is an arithmetic number, because the mean of its divisors is an integer number (16776300).

Almost surely, 2^106249805 is an apocalyptic number.

It is an amenable number.

106249805 is a deficient number, since it is larger than the sum of its proper divisors (27960595).

106249805 is a wasteful number, since it uses less digits than its factorization.

106249805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118443.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 106249805 is about 10307.7546051504. The cubic root of 106249805 is about 473.6338288401.

The spelling of 106249805 in words is "one hundred six million, two hundred forty-nine thousand, eight hundred five".