124403242 has 16 divisors (see below), whose sum is σ = 189604872. Its totient is φ = 61205760.

The previous prime is 124403239. The next prime is 124403249. The reversal of 124403242 is 242304421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74149321 + 50253921 = 8611^2 + 7089^2 .

It is a super-2 number, since 2×124403242² = 30952333240221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124403249) 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, 89392 + ... + 90772.

Almost surely, 2^124403242 is an apocalyptic number.

124403242 is a deficient number, since it is larger than the sum of its proper divisors (65201630).

124403242 is a wasteful number, since it uses less digits than its factorization.

124403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124403242 is about 11153.6201298054. The cubic root of 124403242 is about 499.2030530928.

Adding to 124403242 its reverse (242304421), we get a palindrome (366707663).

The spelling of 124403242 in words is "one hundred twenty-four million, four hundred three thousand, two hundred forty-two".