1143025103 has 4 divisors (see below), whose sum is σ = 1246936488. Its totient is φ = 1039113720.

The previous prime is 1143025049. The next prime is 1143025133. The reversal of 1143025103 is 3015203411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3015203411 = 11 ⋅274109401.

It is a cyclic number.

It is not a de Polignac number, because 1143025103 - 2¹⁰ = 1143024079 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 (1143025133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51955676 + ... + 51955697.

It is an arithmetic number, because the mean of its divisors is an integer number (311734122).

Almost surely, 2^1143025103 is an apocalyptic number.

1143025103 is a deficient number, since it is larger than the sum of its proper divisors (103911385).

1143025103 is a wasteful number, since it uses less digits than its factorization.

1143025103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103911384.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1143025103 is about 33808.6542618898. The cubic root of 1143025103 is about 1045.5671327664.

Adding to 1143025103 its reverse (3015203411), we get a palindrome (4158228514).

The spelling of 1143025103 in words is "one billion, one hundred forty-three million, twenty-five thousand, one hundred three".