1103412143 has 4 divisors (see below), whose sum is σ = 1151386608. Its totient is φ = 1055437680.

The previous prime is 1103412127. The next prime is 1103412181. The reversal of 1103412143 is 3412143011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103412143 - 2⁴ = 1103412127 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 (1103415143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23987198 + ... + 23987243.

It is an arithmetic number, because the mean of its divisors is an integer number (287846652).

Almost surely, 2^1103412143 is an apocalyptic number.

1103412143 is a deficient number, since it is larger than the sum of its proper divisors (47974465).

1103412143 is an equidigital number, since it uses as much as digits as its factorization.

1103412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47974464.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1103412143 is about 33217.6480654486. The cubic root of 1103412143 is about 1033.3463735318.

Adding to 1103412143 its reverse (3412143011), we get a palindrome (4515555154).

The spelling of 1103412143 in words is "one billion, one hundred three million, four hundred twelve thousand, one hundred forty-three".