548129 has 8 divisors (see below), whose sum is σ = 582120. Its totient is φ = 515200.

The previous prime is 548123. The next prime is 548143. The reversal of 548129 is 921845.

It can be written as a sum of positive squares in 4 ways, for example, as 529 + 547600 = 23^2 + 740^2 .

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 548129 - 2¹⁶ = 482593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (548123) 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, 959 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2⁵⁴⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

548129 is a deficient number, since it is larger than the sum of its proper divisors (33991).

548129 is a wasteful number, since it uses less digits than its factorization.

548129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its digits is 2880, while the sum is 29.

The square root of 548129 is about 740.3573461512. The cubic root of 548129 is about 81.8391154442.

The spelling of 548129 in words is "five hundred forty-eight thousand, one hundred twenty-nine".