1054543 has 4 divisors (see below), whose sum is σ = 1205200. Its totient is φ = 903888.

The previous prime is 1054531. The next prime is 1054549. The reversal of 1054543 is 3454501.

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 1054543 - 2¹³ = 1046351 is a prime.

It is a super-2 number, since 2×1054543² = 2224121877698, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054549) 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, 75318 + ... + 75331.

It is an arithmetic number, because the mean of its divisors is an integer number (301300).

2^1054543 is an apocalyptic number.

1054543 is a deficient number, since it is larger than the sum of its proper divisors (150657).

1054543 is an equidigital number, since it uses as much as digits as its factorization.

1054543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150656.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1054543 is about 1026.9094409927. The cubic root of 1054543 is about 101.7860117185.

The spelling of 1054543 in words is "one million, fifty-four thousand, five hundred forty-three".