125444543 has 16 divisors (see below), whose sum is σ = 147411264. Its totient is φ = 104509440.

The previous prime is 125444537. The next prime is 125444567. The reversal of 125444543 is 345444521.

It is not a de Polignac number, because 125444543 - 2¹⁰ = 125443519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96071 + ... + 97367.

It is an arithmetic number, because the mean of its divisors is an integer number (9213204).

Almost surely, 2^125444543 is an apocalyptic number.

125444543 is a deficient number, since it is larger than the sum of its proper divisors (21966721).

125444543 is a wasteful number, since it uses less digits than its factorization.

125444543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 38400, while the sum is 32.

The square root of 125444543 is about 11200.2028106637. The cubic root of 125444543 is about 500.5920227415.

The spelling of 125444543 in words is "one hundred twenty-five million, four hundred forty-four thousand, five hundred forty-three".