125134541 has 4 divisors (see below), whose sum is σ = 143010912. Its totient is φ = 107258172.

The previous prime is 125134523. The next prime is 125134553. The reversal of 125134541 is 145431521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145431521 = 83 ⋅1752187.

It is a de Polignac number, because none of the positive numbers 2^k-125134541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125134541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125134591) 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 3 ways as a sum of consecutive naturals, for example, 8938175 + ... + 8938188.

It is an arithmetic number, because the mean of its divisors is an integer number (35752728).

Almost surely, 2^125134541 is an apocalyptic number.

It is an amenable number.

125134541 is a deficient number, since it is larger than the sum of its proper divisors (17876371).

125134541 is an equidigital number, since it uses as much as digits as its factorization.

125134541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876370.

The product of its digits is 2400, while the sum is 26.

The square root of 125134541 is about 11186.3551257771. The cubic root of 125134541 is about 500.1793236783.

The spelling of 125134541 in words is "one hundred twenty-five million, one hundred thirty-four thousand, five hundred forty-one".