1543125 has 20 divisors (see below), whose sum is σ = 2574176. Its totient is φ = 822000.

The previous prime is 1543111. The next prime is 1543127. The reversal of 1543125 is 5213451.

It is not a de Polignac number, because 1543125 - 2⁷ = 1542997 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543127) 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 19 ways as a sum of consecutive naturals, for example, 1464 + ... + 2286.

2^1543125 is an apocalyptic number.

1543125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1543125 is a deficient number, since it is larger than the sum of its proper divisors (1031051).

1543125 is an frugal number, since it uses more digits than its factorization.

1543125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 831 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 1543125 is about 1242.2258248805. The cubic root of 1543125 is about 115.5580937490.

Adding to 1543125 its reverse (5213451), we get a palindrome (6756576).

The spelling of 1543125 in words is "one million, five hundred forty-three thousand, one hundred twenty-five".