1143121130 has 32 divisors (see below), whose sum is σ = 2240611200. Its totient is φ = 418243392.

The previous prime is 1143121129. The next prime is 1143121139. The reversal of 1143121130 is 311213411.

It is a junction number, because it is equal to n+sod(n) for n = 1143121099 and 1143121108.

It is not an unprimeable number, because it can be changed into a prime (1143121139) 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, 98222 + ... + 109241.

It is an arithmetic number, because the mean of its divisors is an integer number (70019100).

Almost surely, 2^1143121130 is an apocalyptic number.

1143121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143121130 is a deficient number, since it is larger than the sum of its proper divisors (1097490070).

1143121130 is a wasteful number, since it uses less digits than its factorization.

1143121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207518.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1143121130 is about 33810.0743861944. The cubic root of 1143121130 is about 1045.5964117569.

Adding to 1143121130 its reverse (311213411), we get a palindrome (1454334541).

The spelling of 1143121130 in words is "one billion, one hundred forty-three million, one hundred twenty-one thousand, one hundred thirty".