124425 has 36 divisors (see below), whose sum is σ = 257920. Its totient is φ = 56160.

The previous prime is 124367. The next prime is 124427. The reversal of 124425 is 524421.

It is not a de Polignac number, because 124425 - 2⁷ = 124297 is a prime.

It is a Curzon number.

124425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 124398 and 124407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124425.

It is not an unprimeable number, because it can be changed into a prime (124427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1536 + ... + 1614.

2¹²⁴⁴²⁵ is an apocalyptic number.

124425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124425 is an abundant number, since it is smaller than the sum of its proper divisors (133495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124425 is a wasteful number, since it uses less digits than its factorization.

124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 94 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 124425 is about 352.7392804891. The cubic root of 124425 is about 49.9232154764.

Adding to 124425 its reverse (524421), we get a palindrome (648846).

The spelling of 124425 in words is "one hundred twenty-four thousand, four hundred twenty-five".