124211242 has 4 divisors (see below), whose sum is σ = 186316866. Its totient is φ = 62105620.

The previous prime is 124211239. The next prime is 124211251. The reversal of 124211242 is 242112421.

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., 94497841 + 29713401 = 9721^2 + 5451^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31052809 + ... + 31052812.

Almost surely, 2^124211242 is an apocalyptic number.

124211242 is a deficient number, since it is larger than the sum of its proper divisors (62105624).

124211242 is an equidigital number, since it uses as much as digits as its factorization.

124211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62105623.

The product of its digits is 256, while the sum is 19.

The square root of 124211242 is about 11145.0097353031. The cubic root of 124211242 is about 498.9461028289.

Adding to 124211242 its reverse (242112421), we get a palindrome (366323663).

The spelling of 124211242 in words is "one hundred twenty-four million, two hundred eleven thousand, two hundred forty-two".