675129 has 16 divisors (see below), whose sum is σ = 1108352. Its totient is φ = 355968.

The previous prime is 675113. The next prime is 675131. The reversal of 675129 is 921576.

675129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675129 - 2⁴ = 675113 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

675129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 675096 and 675105.

It is not an unprimeable number, because it can be changed into a prime (675109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (69272).

2⁶⁷⁵¹²⁹ is an apocalyptic number.

It is an amenable number.

675129 is a deficient number, since it is larger than the sum of its proper divisors (433223).

675129 is a wasteful number, since it uses less digits than its factorization.

675129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496.

The product of its digits is 3780, while the sum is 30.

The square root of 675129 is about 821.6623394071. The cubic root of 675129 is about 87.7261199132.

The spelling of 675129 in words is "six hundred seventy-five thousand, one hundred twenty-nine".