106807249 has 4 divisors (see below), whose sum is σ = 108270436. Its totient is φ = 105344064.

The previous prime is 106807241. The next prime is 106807273. The reversal of 106807249 is 942708601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942708601 = 4201 ⋅224401.

It can be written as a sum of positive squares in 2 ways, for example, as 43890625 + 62916624 = 6625^2 + 7932^2 .

It is a cyclic number.

It is not a de Polignac number, because 106807249 - 2³ = 106807241 is a prime.

It is a super-2 number, since 2×106807249² = 22815576877896002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106807241) 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, 731484 + ... + 731629.

It is an arithmetic number, because the mean of its divisors is an integer number (27067609).

Almost surely, 2^106807249 is an apocalyptic number.

It is an amenable number.

106807249 is a deficient number, since it is larger than the sum of its proper divisors (1463187).

106807249 is an equidigital number, since it uses as much as digits as its factorization.

106807249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463186.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 106807249 is about 10334.7592618309. The cubic root of 106807249 is about 474.4606976174.

The spelling of 106807249 in words is "one hundred six million, eight hundred seven thousand, two hundred forty-nine".