106439603 has 2 divisors, whose sum is σ = 106439604. Its totient is φ = 106439602.

The previous prime is 106439591. The next prime is 106439609. The reversal of 106439603 is 306934601.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (306934601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106439603 - 2⁴ = 106439587 is a prime.

It is a super-2 number, since 2×106439603² = 22658778173595218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106439603.

It is not a weakly prime, because it can be changed into another prime (106439609) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53219801 + 53219802.

It is an arithmetic number, because the mean of its divisors is an integer number (53219802).

Almost surely, 2^106439603 is an apocalyptic number.

106439603 is a deficient number, since it is larger than the sum of its proper divisors (1).

106439603 is an equidigital number, since it uses as much as digits as its factorization.

106439603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 106439603 is about 10316.9570610718. The cubic root of 106439603 is about 473.9156843505.

The spelling of 106439603 in words is "one hundred six million, four hundred thirty-nine thousand, six hundred three".