125204100543 has 32 divisors (see below), whose sum is σ = 191915827200. Its totient is φ = 80589189600.

The previous prime is 125204100523. The next prime is 125204100559. The reversal of 125204100543 is 345001402521.

125204100543 is a `hidden beast` number, since 12 + 5 + 2 + 0 + 4 + 100 + 543 = 666.

It is not a de Polignac number, because 125204100543 - 2⁹ = 125204100031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125204100503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187213 + ... + 534281.

It is an arithmetic number, because the mean of its divisors is an integer number (5997369600).

Almost surely, 2^125204100543 is an apocalyptic number.

125204100543 is a deficient number, since it is larger than the sum of its proper divisors (66711726657).

125204100543 is a wasteful number, since it uses less digits than its factorization.

125204100543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347540 (or 347534 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 125204100543 in words is "one hundred twenty-five billion, two hundred four million, one hundred thousand, five hundred forty-three".