1120138042 has 16 divisors (see below), whose sum is σ = 1754570880. Its totient is φ = 535317552.

The previous prime is 1120138039. The next prime is 1120138043. The reversal of 1120138042 is 2408310211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1120138043) 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, 58459 + ... + 75217.

It is an arithmetic number, because the mean of its divisors is an integer number (109660680).

Almost surely, 2^1120138042 is an apocalyptic number.

1120138042 is a deficient number, since it is larger than the sum of its proper divisors (634432838).

1120138042 is a wasteful number, since it uses less digits than its factorization.

1120138042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18237.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1120138042 is about 33468.4633946645. The cubic root of 1120138042 is about 1038.5414842288.

Adding to 1120138042 its reverse (2408310211), we get a palindrome (3528448253).

The spelling of 1120138042 in words is "one billion, one hundred twenty million, one hundred thirty-eight thousand, forty-two".