1143401130 has 64 divisors (see below), whose sum is σ = 3228439680. Its totient is φ = 286970112.

The previous prime is 1143401053. The next prime is 1143401131. The reversal of 1143401130 is 311043411.

It is a super-2 number, since 2×1143401130² = 2614732288170553800, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143401131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119964 + ... + 129143.

It is an arithmetic number, because the mean of its divisors is an integer number (50444370).

Almost surely, 2^1143401130 is an apocalyptic number.

1143401130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143401130 is an abundant number, since it is smaller than the sum of its proper divisors (2085038550).

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

1143401130 is a wasteful number, since it uses less digits than its factorization.

1143401130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249140 (or 249134 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1143401130 is about 33814.2149103007. The cubic root of 1143401130 is about 1045.6817754415.

Adding to 1143401130 its reverse (311043411), we get a palindrome (1454444541).

The spelling of 1143401130 in words is "one billion, one hundred forty-three million, four hundred one thousand, one hundred thirty".