124242106 has 4 divisors (see below), whose sum is σ = 186363162. Its totient is φ = 62121052.

The previous prime is 124242101. The next prime is 124242109. The reversal of 124242106 is 601242421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 16933225 = 10359^2 + 4115^2 .

It is a super-2 number, since 2×124242106² = 30872201806630472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (124242101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31060525 + ... + 31060528.

Almost surely, 2^124242106 is an apocalyptic number.

124242106 is a deficient number, since it is larger than the sum of its proper divisors (62121056).

124242106 is an equidigital number, since it uses as much as digits as its factorization.

124242106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62121055.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 124242106 is about 11146.3943048862. The cubic root of 124242106 is about 498.9874254364.

Adding to 124242106 its reverse (601242421), we get a palindrome (725484527).

The spelling of 124242106 in words is "one hundred twenty-four million, two hundred forty-two thousand, one hundred six".