492121 has 8 divisors (see below), whose sum is σ = 566720. Its totient is φ = 418608.

The previous prime is 492113. The next prime is 492227. The reversal of 492121 is 121294.

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 492121 - 2³ = 492113 is a prime.

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

492121 is a modest number, since divided by 2121 gives 49 as remainder.

It is not an unprimeable number, because it can be changed into a prime (492421) 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, 1450 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (70840).

2⁴⁹²¹²¹ is an apocalyptic number.

It is an amenable number.

492121 is a deficient number, since it is larger than the sum of its proper divisors (74599).

492121 is a wasteful number, since it uses less digits than its factorization.

492121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its digits is 144, while the sum is 19.

The square root of 492121 is about 701.5133640922. The cubic root of 492121 is about 78.9509389340.

The spelling of 492121 in words is "four hundred ninety-two thousand, one hundred twenty-one".