106867249 has 4 divisors (see below), whose sum is σ = 106910820. Its totient is φ = 106823680.

The previous prime is 106867217. The next prime is 106867273. The reversal of 106867249 is 942768601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 29778849 = 8780^2 + 5457^2 .

It is a cyclic number.

It is not a de Polignac number, because 106867249 - 2⁵ = 106867217 is a prime.

It is a super-2 number, since 2×106867249² = 22841217817656002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106867549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17872 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (26727705).

Almost surely, 2^106867249 is an apocalyptic number.

It is an amenable number.

106867249 is a deficient number, since it is larger than the sum of its proper divisors (43571).

106867249 is an equidigital number, since it uses as much as digits as its factorization.

106867249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43570.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 106867249 is about 10337.6616795095. The cubic root of 106867249 is about 474.5495252739.

The spelling of 106867249 in words is "one hundred six million, eight hundred sixty-seven thousand, two hundred forty-nine".