125161144 has 8 divisors (see below), whose sum is σ = 234677160. Its totient is φ = 62580568.

The previous prime is 125161133. The next prime is 125161207. The reversal of 125161144 is 441161521.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7822564 + ... + 7822579.

It is an arithmetic number, because the mean of its divisors is an integer number (29334645).

Almost surely, 2^125161144 is an apocalyptic number.

It is an amenable number.

125161144 is a deficient number, since it is larger than the sum of its proper divisors (109516016).

125161144 is a wasteful number, since it uses less digits than its factorization.

125161144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15645149 (or 15645145 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 125161144 is about 11187.5441451643. The cubic root of 125161144 is about 500.2147664042.

The spelling of 125161144 in words is "one hundred twenty-five million, one hundred sixty-one thousand, one hundred forty-four".