125165441 has 8 divisors (see below), whose sum is σ = 132677640. Its totient is φ = 117669888.

The previous prime is 125165429. The next prime is 125165449. The reversal of 125165441 is 144561521.

It can be written as a sum of positive squares in 4 ways, for example, as 15523600 + 109641841 = 3940^2 + 10471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125165441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125165449) 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 7 ways as a sum of consecutive naturals, for example, 13505 + ... + 20801.

It is an arithmetic number, because the mean of its divisors is an integer number (16584705).

Almost surely, 2^125165441 is an apocalyptic number.

It is an amenable number.

125165441 is a deficient number, since it is larger than the sum of its proper divisors (7512199).

125165441 is a wasteful number, since it uses less digits than its factorization.

125165441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323.

The product of its digits is 4800, while the sum is 29.

The square root of 125165441 is about 11187.7361874510. The cubic root of 125165441 is about 500.2204907534.

The spelling of 125165441 in words is "one hundred twenty-five million, one hundred sixty-five thousand, four hundred forty-one".