1143120103 has 16 divisors (see below), whose sum is σ = 1239300000. Its totient is φ = 1050406912.

The previous prime is 1143120101. The next prime is 1143120107. The reversal of 1143120103 is 3010213411.

It is a cyclic number.

It is not a de Polignac number, because 1143120103 - 2¹ = 1143120101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143120101) 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, 145623 + ... + 153271.

It is an arithmetic number, because the mean of its divisors is an integer number (77456250).

Almost surely, 2^1143120103 is an apocalyptic number.

1143120103 is a deficient number, since it is larger than the sum of its proper divisors (96179897).

1143120103 is a wasteful number, since it uses less digits than its factorization.

1143120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1143120103 is about 33810.0591984102. The cubic root of 1143120103 is about 1045.5960986294.

Adding to 1143120103 its reverse (3010213411), we get a palindrome (4153333514).

The spelling of 1143120103 in words is "one billion, one hundred forty-three million, one hundred twenty thousand, one hundred three".