1103125743 has 32 divisors (see below), whose sum is σ = 1660006400. Its totient is φ = 723891168.

The previous prime is 1103125697. The next prime is 1103125753. The reversal of 1103125743 is 3475213011.

It is not a de Polignac number, because 1103125743 - 2⁶ = 1103125679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103125753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987021 + ... + 988137.

It is an arithmetic number, because the mean of its divisors is an integer number (51875200).

Almost surely, 2^1103125743 is an apocalyptic number.

1103125743 is a deficient number, since it is larger than the sum of its proper divisors (556880657).

1103125743 is a wasteful number, since it uses less digits than its factorization.

1103125743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1103125743 is about 33213.3368242337. The cubic root of 1103125743 is about 1033.2569611841.

Adding to 1103125743 its reverse (3475213011), we get a palindrome (4578338754).

The spelling of 1103125743 in words is "one billion, one hundred three million, one hundred twenty-five thousand, seven hundred forty-three".