106199243 has 4 divisors (see below), whose sum is σ = 106223688. Its totient is φ = 106174800.

The previous prime is 106199237. The next prime is 106199281. The reversal of 106199243 is 342991601.

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

It is a cyclic number.

It is not a de Polignac number, because 106199243 - 2¹² = 106195147 is a prime.

It is a super-2 number, since 2×106199243² = 22556558427546098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106199843) 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, 3746 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (26555922).

Almost surely, 2^106199243 is an apocalyptic number.

106199243 is a deficient number, since it is larger than the sum of its proper divisors (24445).

106199243 is an equidigital number, since it uses as much as digits as its factorization.

106199243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24444.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 106199243 is about 10305.3016937885. The cubic root of 106199243 is about 473.5586861974.

The spelling of 106199243 in words is "one hundred six million, one hundred ninety-nine thousand, two hundred forty-three".