125163441 has 16 divisors (see below), whose sum is σ = 199691520. Its totient is φ = 77023440.

The previous prime is 125163439. The next prime is 125163443. The reversal of 125163441 is 144361521.

It is a happy number.

125163441 is a `hidden beast` number, since 1 + 25 + 1 + 634 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (125163439) and next prime (125163443).

It is not a de Polignac number, because 125163441 - 2¹ = 125163439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125163443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177945 + ... + 178646.

It is an arithmetic number, because the mean of its divisors is an integer number (12480720).

Almost surely, 2^125163441 is an apocalyptic number.

It is an amenable number.

125163441 is a deficient number, since it is larger than the sum of its proper divisors (74528079).

125163441 is a wasteful number, since it uses less digits than its factorization.

125163441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356613 (or 356607 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 125163441 is about 11187.6468035061. The cubic root of 125163441 is about 500.2178264229.

The spelling of 125163441 in words is "one hundred twenty-five million, one hundred sixty-three thousand, four hundred forty-one".