100506106 has 4 divisors (see below), whose sum is σ = 150759162. Its totient is φ = 50253052.

The previous prime is 100506103. The next prime is 100506127. The reversal of 100506106 is 601605001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601605001 = 3677 ⋅163613.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 34327881 = 8135^2 + 5859^2 .

It is not an unprimeable number, because it can be changed into a prime (100506103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126525 + ... + 25126528.

Almost surely, 2^100506106 is an apocalyptic number.

100506106 is a deficient number, since it is larger than the sum of its proper divisors (50253056).

100506106 is an equidigital number, since it uses as much as digits as its factorization.

100506106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50253055.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100506106 is about 10025.2733628565. The cubic root of 100506106 is about 464.9406113694.

The spelling of 100506106 in words is "one hundred million, five hundred six thousand, one hundred six".