1124121142 has 16 divisors (see below), whose sum is σ = 1760338800. Its totient is φ = 537697440.

The previous prime is 1124121139. The next prime is 1124121143. The reversal of 1124121142 is 2411214211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124121143) 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, 82584 + ... + 95227.

It is an arithmetic number, because the mean of its divisors is an integer number (110021175).

Almost surely, 2^1124121142 is an apocalyptic number.

1124121142 is a deficient number, since it is larger than the sum of its proper divisors (636217658).

1124121142 is a wasteful number, since it uses less digits than its factorization.

1124121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177951.

The product of its digits is 128, while the sum is 19.

The square root of 1124121142 is about 33527.9158612640. The cubic root of 1124121142 is about 1039.7710115917.

Adding to 1124121142 its reverse (2411214211), we get a palindrome (3535335353).

The spelling of 1124121142 in words is "one billion, one hundred twenty-four million, one hundred twenty-one thousand, one hundred forty-two".