1143340120 has 64 divisors (see below), whose sum is σ = 2890883520. Its totient is φ = 403797504.

The previous prime is 1143340111. The next prime is 1143340123. The reversal of 1143340120 is 210433411.

It is a super-2 number, since 2×1143340120² = 2614453260003228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143340123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35839 + ... + 59758.

It is an arithmetic number, because the mean of its divisors is an integer number (45170055).

Almost surely, 2^1143340120 is an apocalyptic number.

1143340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143340120 is an abundant number, since it is smaller than the sum of its proper divisors (1747543400).

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

1143340120 is a wasteful number, since it uses less digits than its factorization.

1143340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95644 (or 95640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143340120 is about 33813.3127628749. The cubic root of 1143340120 is about 1045.6631764919.

Adding to 1143340120 its reverse (210433411), we get a palindrome (1353773531).

The spelling of 1143340120 in words is "one billion, one hundred forty-three million, three hundred forty thousand, one hundred twenty".