100912093 has 4 divisors (see below), whose sum is σ = 100934460. Its totient is φ = 100889728.

The previous prime is 100912081. The next prime is 100912103. The reversal of 100912093 is 390219001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390219001 = 131 ⋅2978771.

It can be written as a sum of positive squares in 2 ways, for example, as 44916804 + 55995289 = 6702^2 + 7483^2 .

It is a cyclic number.

It is not a de Polignac number, because 100912093 - 2²¹ = 98814941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100912003) 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, 1780 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (25233615).

Almost surely, 2^100912093 is an apocalyptic number.

It is an amenable number.

100912093 is a deficient number, since it is larger than the sum of its proper divisors (22367).

100912093 is an equidigital number, since it uses as much as digits as its factorization.

100912093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22366.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 100912093 is about 10045.5011323478. The cubic root of 100912093 is about 465.5658014195.

The spelling of 100912093 in words is "one hundred million, nine hundred twelve thousand, ninety-three".