124137 has 12 divisors (see below), whose sum is σ = 193284. Its totient is φ = 76320.

The previous prime is 124133. The next prime is 124139. The reversal of 124137 is 731421.

It can be written as a sum of positive squares in 2 ways, for example, as 47961 + 76176 = 219^2 + 276^2 .

It is not a de Polignac number, because 124137 - 2² = 124133 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (124133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (16107).

2¹²⁴¹³⁷ is an apocalyptic number.

It is an amenable number.

124137 is a deficient number, since it is larger than the sum of its proper divisors (69147).

124137 is a wasteful number, since it uses less digits than its factorization.

124137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1077 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 124137 is about 352.3308104609. The cubic root of 124137 is about 49.8846675062.

Adding to 124137 its reverse (731421), we get a palindrome (855558).

The spelling of 124137 in words is "one hundred twenty-four thousand, one hundred thirty-seven".