270109 has 8 divisors (see below), whose sum is σ = 315648. Its totient is φ = 226320.

The previous prime is 270097. The next prime is 270121. The reversal of 270109 is 901072.

It is an interprime number because it is at equal distance from previous prime (270097) and next prime (270121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 270109 - 2⁷ = 269981 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (39456).

2²⁷⁰¹⁰⁹ is an apocalyptic number.

270109 is the 329-th heptagonal number.

It is an amenable number.

270109 is a deficient number, since it is larger than the sum of its proper divisors (45539).

270109 is an equidigital number, since it uses as much as digits as its factorization.

270109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 270109 is about 519.7201169861. The cubic root of 270109 is about 64.6417370634.

The spelling of 270109 in words is "two hundred seventy thousand, one hundred nine".