124785 has 24 divisors (see below), whose sum is σ = 224640. Its totient is φ = 64032.

The previous prime is 124783. The next prime is 124793. The reversal of 124785 is 587421.

124785 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 124785 - 2¹ = 124783 is a prime.

124785 is strictly pandigital in base 7.

124785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (124781) 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 23 ways as a sum of consecutive naturals, for example, 2086 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (9360).

2¹²⁴⁷⁸⁵ is an apocalyptic number.

124785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

124785 is the 177-th decagonal number.

It is an amenable number.

124785 is a deficient number, since it is larger than the sum of its proper divisors (99855).

124785 is a wasteful number, since it uses less digits than its factorization.

124785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 114 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 124785 is about 353.2492038208. The cubic root of 124785 is about 49.9713168821.

It can be divided in two parts, 124 and 785, that added together give a palindrome (909).

The spelling of 124785 in words is "one hundred twenty-four thousand, seven hundred eighty-five".