125875549 has 4 divisors (see below), whose sum is σ = 127052064. Its totient is φ = 124699036.

The previous prime is 125875537. The next prime is 125875553. The reversal of 125875549 is 945578521.

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: 945578521 = 137 ⋅6902033.

It is a cyclic number.

It is not a de Polignac number, because 125875549 - 2⁹ = 125875037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125875499 and 125875508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125875049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588097 + ... + 588310.

It is an arithmetic number, because the mean of its divisors is an integer number (31763016).

Almost surely, 2^125875549 is an apocalyptic number.

It is an amenable number.

125875549 is a deficient number, since it is larger than the sum of its proper divisors (1176515).

125875549 is a wasteful number, since it uses less digits than its factorization.

125875549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176514.

The product of its digits is 504000, while the sum is 46.

The square root of 125875549 is about 11219.4273026746. The cubic root of 125875549 is about 501.1646835845.

The spelling of 125875549 in words is "one hundred twenty-five million, eight hundred seventy-five thousand, five hundred forty-nine".