598121 has 4 divisors (see below), whose sum is σ = 604032. Its totient is φ = 592212.

The previous prime is 598099. The next prime is 598123. The reversal of 598121 is 121895.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121895 = 5 ⋅24379.

It is a cyclic number.

It is not a de Polignac number, because 598121 - 2⁶ = 598057 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 598121.

It is not an unprimeable number, because it can be changed into a prime (598123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (151008).

2⁵⁹⁸¹²¹ is an apocalyptic number.

It is an amenable number.

598121 is a deficient number, since it is larger than the sum of its proper divisors (5911).

598121 is a wasteful number, since it uses less digits than its factorization.

598121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910.

The product of its digits is 720, while the sum is 26.

The square root of 598121 is about 773.3828288758. The cubic root of 598121 is about 84.2551294620.

The spelling of 598121 in words is "five hundred ninety-eight thousand, one hundred twenty-one".