124889 has 4 divisors (see below), whose sum is σ = 126720. Its totient is φ = 123060.

The previous prime is 124853. The next prime is 124897. The reversal of 124889 is 988421.

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.

It is a cyclic number.

It is not a de Polignac number, because 124889 - 2⁸ = 124633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (124819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (31680).

2¹²⁴⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

124889 is a deficient number, since it is larger than the sum of its proper divisors (1831).

124889 is an equidigital number, since it uses as much as digits as its factorization.

124889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 4608, while the sum is 32.

The square root of 124889 is about 353.3963780233. The cubic root of 124889 is about 49.9851956170.

The spelling of 124889 in words is "one hundred twenty-four thousand, eight hundred eighty-nine".