1101132143 has 8 divisors (see below), whose sum is σ = 1172349360. Its totient is φ = 1030631040.

The previous prime is 1101132127. The next prime is 1101132191. The reversal of 1101132143 is 3412311011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101132143 - 2⁴ = 1101132127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101132443) 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, 175853 + ... + 182006.

It is an arithmetic number, because the mean of its divisors is an integer number (146543670).

Almost surely, 2^1101132143 is an apocalyptic number.

1101132143 is a deficient number, since it is larger than the sum of its proper divisors (71217217).

1101132143 is a wasteful number, since it uses less digits than its factorization.

1101132143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358057.

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

The square root of 1101132143 is about 33183.3112121138. The cubic root of 1101132143 is about 1032.6341421199.

Adding to 1101132143 its reverse (3412311011), we get a palindrome (4513443154).

The spelling of 1101132143 in words is "one billion, one hundred one million, one hundred thirty-two thousand, one hundred forty-three".