124120424 has 32 divisors (see below), whose sum is σ = 239198400. Its totient is φ = 60357120.

The previous prime is 124120391. The next prime is 124120429. The reversal of 124120424 is 424021421.

124120424 = T₁₅₅₁ + T₁₅₅₂ + ... + T₁₆₄₇.

It is a junction number, because it is equal to n+sod(n) for n = 124120396 and 124120405.

It is not an unprimeable number, because it can be changed into a prime (124120429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44429 + ... + 47139.

It is an arithmetic number, because the mean of its divisors is an integer number (7474950).

Almost surely, 2^124120424 is an apocalyptic number.

It is an amenable number.

124120424 is a deficient number, since it is larger than the sum of its proper divisors (115077976).

124120424 is a wasteful number, since it uses less digits than its factorization.

124120424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 124120424 is about 11140.9346107048. The cubic root of 124120424 is about 498.8244704263.

Adding to 124120424 its reverse (424021421), we get a palindrome (548141845).

The spelling of 124120424 in words is "one hundred twenty-four million, one hundred twenty thousand, four hundred twenty-four".