601000109 has 4 divisors (see below), whose sum is σ = 601057020. Its totient is φ = 600943200.

The previous prime is 601000093. The next prime is 601000111. The reversal of 601000109 is 901000106.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 471541225 + 129458884 = 21715^2 + 11378^2 .

It is a cyclic number.

It is not a de Polignac number, because 601000109 - 2⁴ = 601000093 is a prime.

It is a super-2 number, since 2×601000109² = 722402262036023762, which contains 22 as substring.

601000109 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601000009) 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, 7442 + ... + 35459.

It is an arithmetic number, because the mean of its divisors is an integer number (150264255).

Almost surely, 2^601000109 is an apocalyptic number.

It is an amenable number.

601000109 is a deficient number, since it is larger than the sum of its proper divisors (56911).

601000109 is a wasteful number, since it uses less digits than its factorization.

601000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56910.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 601000109 is about 24515.3035673638. The cubic root of 601000109 is about 843.9010299446.

The spelling of 601000109 in words is "six hundred one million, one hundred nine", and thus it is an aban number.