601109 has 4 divisors (see below), whose sum is σ = 607404. Its totient is φ = 594816.

The previous prime is 601093. The next prime is 601127. The reversal of 601109 is 901106.

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 253009 + 348100 = 503^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 601109 - 2⁴ = 601093 is a prime.

It is a super-2 number, since 2×601109² = 722664059762, which contains 22 as substring.

601109 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601189) 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, 3002 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (151851).

2⁶⁰¹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

601109 is a deficient number, since it is larger than the sum of its proper divisors (6295).

601109 is an equidigital number, since it uses as much as digits as its factorization.

601109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294.

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

The square root of 601109 is about 775.3121951833. The cubic root of 601109 is about 84.3951993706.

The spelling of 601109 in words is "six hundred one thousand, one hundred nine".