125055544 has 8 divisors (see below), whose sum is σ = 234479160. Its totient is φ = 62527768.

The previous prime is 125055487. The next prime is 125055559. The reversal of 125055544 is 445550521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7815964 + ... + 7815979.

It is an arithmetic number, because the mean of its divisors is an integer number (29309895).

Almost surely, 2^125055544 is an apocalyptic number.

It is an amenable number.

125055544 is a deficient number, since it is larger than the sum of its proper divisors (109423616).

125055544 is a wasteful number, since it uses less digits than its factorization.

125055544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15631949 (or 15631945 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 125055544 is about 11182.8236148121. The cubic root of 125055544 is about 500.0740477000.

The spelling of 125055544 in words is "one hundred twenty-five million, fifty-five thousand, five hundred forty-four".