103126543 has 4 divisors (see below), whose sum is σ = 111059368. Its totient is φ = 95193720.

The previous prime is 103126537. The next prime is 103126559. The reversal of 103126543 is 345621301.

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 103126543 - 2⁹ = 103126031 is a prime.

It is a super-2 number, since 2×103126543² = 21270167742261698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103126343) 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, 3966393 + ... + 3966418.

It is an arithmetic number, because the mean of its divisors is an integer number (27764842).

Almost surely, 2^103126543 is an apocalyptic number.

103126543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103126543 is a deficient number, since it is larger than the sum of its proper divisors (7932825).

103126543 is an equidigital number, since it uses as much as digits as its factorization.

103126543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932824.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 103126543 is about 10155.1239775790. The cubic root of 103126543 is about 468.9467026782.

Adding to 103126543 its reverse (345621301), we get a palindrome (448747844).

The spelling of 103126543 in words is "one hundred three million, one hundred twenty-six thousand, five hundred forty-three".