100926121 has 4 divisors (see below), whose sum is σ = 103653892. Its totient is φ = 98198352.

The previous prime is 100926113. The next prime is 100926149. The reversal of 100926121 is 121629001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 44089600 = 7539^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 100926121 - 2³ = 100926113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100926092 and 100926101.

It is not an unprimeable number, because it can be changed into a prime (100426121) 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, 1363830 + ... + 1363903.

It is an arithmetic number, because the mean of its divisors is an integer number (25913473).

Almost surely, 2^100926121 is an apocalyptic number.

It is an amenable number.

100926121 is a deficient number, since it is larger than the sum of its proper divisors (2727771).

100926121 is an equidigital number, since it uses as much as digits as its factorization.

100926121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727770.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 100926121 is about 10046.1993310903. The cubic root of 100926121 is about 465.5873735101.

The spelling of 100926121 in words is "one hundred million, nine hundred twenty-six thousand, one hundred twenty-one".