125544541 has 8 divisors (see below), whose sum is σ = 133035264. Its totient is φ = 118065600.

The previous prime is 125544539. The next prime is 125544547. The reversal of 125544541 is 145445521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125544541 - 2¹ = 125544539 is a prime.

It is a super-2 number, since 2×125544541² = 31522863549801362, 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 (125544547) 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 7 ways as a sum of consecutive naturals, for example, 28966 + ... + 33016.

It is an arithmetic number, because the mean of its divisors is an integer number (16629408).

Almost surely, 2^125544541 is an apocalyptic number.

It is an amenable number.

125544541 is a deficient number, since it is larger than the sum of its proper divisors (7490723).

125544541 is a wasteful number, since it uses less digits than its factorization.

125544541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891.

The product of its digits is 16000, while the sum is 31.

The square root of 125544541 is about 11204.6660369687. Note that the first 3 decimals coincide. The cubic root of 125544541 is about 500.7250029001.

It can be divided in two parts, 1255 and 44541, that added together give a square (45796 = 214²).

The spelling of 125544541 in words is "one hundred twenty-five million, five hundred forty-four thousand, five hundred forty-one".