125055541 has 8 divisors (see below), whose sum is σ = 134850744. Its totient is φ = 115285440.

The previous prime is 125055487. The next prime is 125055559. The reversal of 125055541 is 145550521.

It can be written as a sum of positive squares in 4 ways, for example, as 9579025 + 115476516 = 3095^2 + 10746^2 .

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 125055541 - 2²¹ = 122958389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125055641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (16856343).

Almost surely, 2^125055541 is an apocalyptic number.

It is an amenable number.

125055541 is a deficient number, since it is larger than the sum of its proper divisors (9795203).

125055541 is a wasteful number, since it uses less digits than its factorization.

125055541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 125055541 is about 11182.8234806779. The cubic root of 125055541 is about 500.0740437012.

The spelling of 125055541 in words is "one hundred twenty-five million, fifty-five thousand, five hundred forty-one".