1143054101 has 4 divisors (see below), whose sum is σ = 1306347552. Its totient is φ = 979760652.

The previous prime is 1143054071. The next prime is 1143054119. The reversal of 1143054101 is 1014503411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1014503411 = 73 ⋅13897307.

It is a cyclic number.

It is not a de Polignac number, because 1143054101 - 2²² = 1138859797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143054131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81646715 + ... + 81646728.

It is an arithmetic number, because the mean of its divisors is an integer number (326586888).

Almost surely, 2^1143054101 is an apocalyptic number.

It is an amenable number.

1143054101 is a deficient number, since it is larger than the sum of its proper divisors (163293451).

1143054101 is an equidigital number, since it uses as much as digits as its factorization.

1143054101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163293450.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1143054101 is about 33809.0831138616. The cubic root of 1143054101 is about 1045.5759745376.

Adding to 1143054101 its reverse (1014503411), we get a palindrome (2157557512).

The spelling of 1143054101 in words is "one billion, one hundred forty-three million, fifty-four thousand, one hundred one".