106249186 has 4 divisors (see below), whose sum is σ = 159373782. Its totient is φ = 53124592.

The previous prime is 106249151. The next prime is 106249189. The reversal of 106249186 is 681942601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 37442161 = 8295^2 + 6119^2 .

It is a super-2 number, since 2×106249186² = 22577779051325192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106249189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562295 + ... + 26562298.

Almost surely, 2^106249186 is an apocalyptic number.

106249186 is a deficient number, since it is larger than the sum of its proper divisors (53124596).

106249186 is an equidigital number, since it uses as much as digits as its factorization.

106249186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53124595.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 106249186 is about 10307.7245791688. The cubic root of 106249186 is about 473.6329090583.

The spelling of 106249186 in words is "one hundred six million, two hundred forty-nine thousand, one hundred eighty-six".