1120143042 has 48 divisors (see below), whose sum is σ = 2490808320. Its totient is φ = 363595200.

The previous prime is 1120143041. The next prime is 1120143047. The reversal of 1120143042 is 2403410211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1120143041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529567 + ... + 531677.

It is an arithmetic number, because the mean of its divisors is an integer number (51891840).

Almost surely, 2^1120143042 is an apocalyptic number.

1120143042 is an abundant number, since it is smaller than the sum of its proper divisors (1370665278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120143042 is a wasteful number, since it uses less digits than its factorization.

1120143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1120143042 is about 33468.5380917661. The cubic root of 1120143042 is about 1038.5430294847.

Adding to 1120143042 its reverse (2403410211), we get a palindrome (3523553253).

The spelling of 1120143042 in words is "one billion, one hundred twenty million, one hundred forty-three thousand, forty-two".