124869 has 8 divisors (see below), whose sum is σ = 168480. Its totient is φ = 82256.

The previous prime is 124853. The next prime is 124897. The reversal of 124869 is 968421.

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 124869 - 2⁴ = 124853 is a prime.

It is a super-2 number, since 2×124869² = 31184534322, which contains 22 as substring.

124869 is a lucky number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (21060).

2¹²⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

124869 is a deficient number, since it is larger than the sum of its proper divisors (43611).

124869 is a wasteful number, since it uses less digits than its factorization.

124869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 3456, while the sum is 30.

The square root of 124869 is about 353.3680800525. The cubic root of 124869 is about 49.9825272281.

The spelling of 124869 in words is "one hundred twenty-four thousand, eight hundred sixty-nine".