1124212442 has 4 divisors (see below), whose sum is σ = 1686318666. Its totient is φ = 562106220.

The previous prime is 1124212409. The next prime is 1124212471. The reversal of 1124212442 is 2442124211.

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., 1110955561 + 13256881 = 33331^2 + 3641^2 .

It is a super-2 number, since 2×1124212442² = 2527707229495206728, which contains 22 as substring.

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, 281053109 + ... + 281053112.

Almost surely, 2^1124212442 is an apocalyptic number.

1124212442 is a deficient number, since it is larger than the sum of its proper divisors (562106224).

1124212442 is an equidigital number, since it uses as much as digits as its factorization.

1124212442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562106223.

The product of its digits is 1024, while the sum is 23.

The square root of 1124212442 is about 33529.2773855924. The cubic root of 1124212442 is about 1039.7991605517.

Adding to 1124212442 its reverse (2442124211), we get a palindrome (3566336653).

The spelling of 1124212442 in words is "one billion, one hundred twenty-four million, two hundred twelve thousand, four hundred forty-two".