124736 has 14 divisors (see below), whose sum is σ = 247650. Its totient is φ = 62336.

The previous prime is 124721. The next prime is 124739. The reversal of 124736 is 637421.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 6400 = 344^2 + 80^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911 + ... + 1038.

2¹²⁴⁷³⁶ is an apocalyptic number.

124736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

124736 is a deficient number, since it is larger than the sum of its proper divisors (122914).

124736 is an equidigital number, since it uses as much as digits as its factorization.

124736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1951 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 124736 is about 353.1798408743. The cubic root of 124736 is about 49.9647751901.

The spelling of 124736 in words is "one hundred twenty-four thousand, seven hundred thirty-six".