124426 has 4 divisors (see below), whose sum is σ = 186642. Its totient is φ = 62212.

The previous prime is 124367. The next prime is 124427. The reversal of 124426 is 624421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624421 = 7 ⋅89203.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 1225 = 351^2 + 35^2 .

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 31105 + ... + 31108.

2¹²⁴⁴²⁶ is an apocalyptic number.

124426 is a deficient number, since it is larger than the sum of its proper divisors (62216).

124426 is an equidigital number, since it uses as much as digits as its factorization.

124426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62215.

The product of its digits is 384, while the sum is 19.

The square root of 124426 is about 352.7406979638. The cubic root of 124426 is about 49.9233492199.

Adding to 124426 its reverse (624421), we get a palindrome (748847).

The spelling of 124426 in words is "one hundred twenty-four thousand, four hundred twenty-six".