124404123 has 16 divisors (see below), whose sum is σ = 167904000. Its totient is φ = 81926880.

The previous prime is 124404107. The next prime is 124404139. The reversal of 124404123 is 321404421.

It is an interprime number because it is at equal distance from previous prime (124404107) and next prime (124404139).

It is not a de Polignac number, because 124404123 - 2⁴ = 124404107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124404123.

It is not an unprimeable number, because it can be changed into a prime (124404103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93658 + ... + 94976.

It is an arithmetic number, because the mean of its divisors is an integer number (10494000).

Almost surely, 2^124404123 is an apocalyptic number.

124404123 is a deficient number, since it is larger than the sum of its proper divisors (43499877).

124404123 is a wasteful number, since it uses less digits than its factorization.

124404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124404123 is about 11153.6596236392. The cubic root of 124404123 is about 499.2042315102.

Adding to 124404123 its reverse (321404421), we get a palindrome (445808544).

The spelling of 124404123 in words is "one hundred twenty-four million, four hundred four thousand, one hundred twenty-three".