1054103543 has 4 divisors (see below), whose sum is σ = 1054360080. Its totient is φ = 1053847008.

The previous prime is 1054103521. The next prime is 1054103549. The reversal of 1054103543 is 3453014501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054103543 is a prime.

It is a super-2 number, since 2×1054103543² = 2222268558730305698, 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 (1054103549) 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, 122003 + ... + 130356.

It is an arithmetic number, because the mean of its divisors is an integer number (263590020).

Almost surely, 2^1054103543 is an apocalyptic number.

1054103543 is a deficient number, since it is larger than the sum of its proper divisors (256537).

1054103543 is an equidigital number, since it uses as much as digits as its factorization.

1054103543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256536.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1054103543 is about 32466.9607909333. The cubic root of 1054103543 is about 1017.7187074612.

The spelling of 1054103543 in words is "one billion, fifty-four million, one hundred three thousand, five hundred forty-three".