499121 has 8 divisors (see below), whose sum is σ = 576384. Its totient is φ = 423360.

The previous prime is 499117. The next prime is 499127. The reversal of 499121 is 121994.

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

It is not a de Polignac number, because 499121 - 2² = 499117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499121.

It is not an unprimeable number, because it can be changed into a prime (499127) 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, 476 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (72048).

2⁴⁹⁹¹²¹ is an apocalyptic number.

It is an amenable number.

499121 is a deficient number, since it is larger than the sum of its proper divisors (77263).

499121 is a wasteful number, since it uses less digits than its factorization.

499121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its digits is 648, while the sum is 26.

The square root of 499121 is about 706.4849609157. The cubic root of 499121 is about 79.3235144656.

The spelling of 499121 in words is "four hundred ninety-nine thousand, one hundred twenty-one".