106291243 has 2 divisors, whose sum is σ = 106291244. Its totient is φ = 106291242.

The previous prime is 106291231. The next prime is 106291247. The reversal of 106291243 is 342192601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106291243 is a prime.

It is a super-2 number, since 2×106291243² = 22595656676970098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106291247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53145621 + 53145622.

It is an arithmetic number, because the mean of its divisors is an integer number (53145622).

Almost surely, 2^106291243 is an apocalyptic number.

106291243 is a deficient number, since it is larger than the sum of its proper divisors (1).

106291243 is an equidigital number, since it uses as much as digits as its factorization.

106291243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 106291243 is about 10309.7644492976. The cubic root of 106291243 is about 473.6953940909.

The spelling of 106291243 in words is "one hundred six million, two hundred ninety-one thousand, two hundred forty-three".