125056 has 16 divisors (see below), whose sum is σ = 249390. Its totient is φ = 62464.

The previous prime is 125053. The next prime is 125063. The reversal of 125056 is 650521.

It is a happy number.

125056 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 78400 + 46656 = 280^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361 + ... + 616.

125056 is a Friedman number, since it can be written as 56+50^(2+1), using all its digits and the basic arithmetic operations.

2¹²⁵⁰⁵⁶ is an apocalyptic number.

125056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125056 is a deficient number, since it is larger than the sum of its proper divisors (124334).

125056 is an frugal number, since it uses more digits than its factorization.

125056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125056 is about 353.6325776848. The cubic root of 125056 is about 50.0074655519.

Adding to 125056 its reverse (650521), we get a palindrome (775577).

The spelling of 125056 in words is "one hundred twenty-five thousand, fifty-six".