106591042 has 4 divisors (see below), whose sum is σ = 159886566. Its totient is φ = 53295520.

The previous prime is 106591033. The next prime is 106591073. The reversal of 106591042 is 240195601.

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

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 22667121 = 9161^2 + 4761^2 .

It is a super-2 number, since 2×106591042² = 22723300469291528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106591042.

It is an unprimeable number.

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, 26647759 + ... + 26647762.

Almost surely, 2^106591042 is an apocalyptic number.

106591042 is a deficient number, since it is larger than the sum of its proper divisors (53295524).

106591042 is an equidigital number, since it uses as much as digits as its factorization.

106591042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53295523.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 106591042 is about 10324.2937773002. The cubic root of 106591042 is about 474.1403354050.

The spelling of 106591042 in words is "one hundred six million, five hundred ninety-one thousand, forty-two".