124444442 has 4 divisors (see below), whose sum is σ = 186666666. Its totient is φ = 62222220.

The previous prime is 124444429. The next prime is 124444457. The reversal of 124444442 is 244444421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244444421 = 13 ⋅18803417.

It can be written as a sum of positive squares in only one way, i.e., 123187801 + 1256641 = 11099^2 + 1121^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31111109 + ... + 31111112.

Almost surely, 2^124444442 is an apocalyptic number.

124444442 is a deficient number, since it is larger than the sum of its proper divisors (62222224).

124444442 is an equidigital number, since it uses as much as digits as its factorization.

124444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62222223.

The product of its digits is 16384, while the sum is 29.

The square root of 124444442 is about 11155.4669108917. The cubic root of 124444442 is about 499.2581558789.

Adding to 124444442 its reverse (244444421), we get a palindrome (368888863).

The spelling of 124444442 in words is "one hundred twenty-four million, four hundred forty-four thousand, four hundred forty-two".