492129 has 16 divisors (see below), whose sum is σ = 795840. Its totient is φ = 298080.

The previous prime is 492113. The next prime is 492227. The reversal of 492129 is 921294.

It is not a de Polignac number, because 492129 - 2⁴ = 492113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

492129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (492029) 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, 532 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (49740).

2⁴⁹²¹²⁹ is an apocalyptic number.

It is an amenable number.

492129 is a deficient number, since it is larger than the sum of its proper divisors (303711).

492129 is a wasteful number, since it uses less digits than its factorization.

492129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1671 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 492129 is about 701.5190660274. The cubic root of 492129 is about 78.9513667449.

It can be divided in two parts, 4921 and 29, that added together give a triangular number (4950 = T₉₉).

The spelling of 492129 in words is "four hundred ninety-two thousand, one hundred twenty-nine".