124487 has 4 divisors (see below), whose sum is σ = 135816. Its totient is φ = 113160.

The previous prime is 124477. The next prime is 124489. The reversal of 124487 is 784421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124487 - 2⁴ = 124471 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124489) 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, 5648 + ... + 5669.

It is an arithmetic number, because the mean of its divisors is an integer number (33954).

2¹²⁴⁴⁸⁷ is an apocalyptic number.

124487 is a deficient number, since it is larger than the sum of its proper divisors (11329).

124487 is a wasteful number, since it uses less digits than its factorization.

124487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its digits is 1792, while the sum is 26.

The square root of 124487 is about 352.8271531501. The cubic root of 124487 is about 49.9315062149.

It can be divided in two parts, 1244 and 87, that added together give a palindrome (1331).

The spelling of 124487 in words is "one hundred twenty-four thousand, four hundred eighty-seven".