492123 has 8 divisors (see below), whose sum is σ = 672336. Its totient is φ = 320000.

The previous prime is 492113. The next prime is 492227. The reversal of 492123 is 321294.

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 492123 - 2⁶ = 492059 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 492123.

It is not an unprimeable number, because it can be changed into a prime (492103) 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, 1878 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (84042).

2⁴⁹²¹²³ is an apocalyptic number.

492123 is a deficient number, since it is larger than the sum of its proper divisors (180213).

492123 is a wasteful number, since it uses less digits than its factorization.

492123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045.

The product of its digits is 432, while the sum is 21.

The square root of 492123 is about 701.5147895804. The cubic root of 492123 is about 78.9510458872.

It can be divided in two parts, 492 and 123, that multiplied together give a square (60516 = 246²).

The spelling of 492123 in words is "four hundred ninety-two thousand, one hundred twenty-three".