125456 has 10 divisors (see below), whose sum is σ = 243102. Its totient is φ = 62720.

The previous prime is 125453. The next prime is 125471. The reversal of 125456 is 654521.

It can be written as a sum of positive squares in only one way, i.e., 99856 + 25600 = 316^2 + 160^2 .

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 (125453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905 + ... + 3936.

2¹²⁵⁴⁵⁶ is an apocalyptic number.

125456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125456 is a deficient number, since it is larger than the sum of its proper divisors (117646).

125456 is an equidigital number, since it uses as much as digits as its factorization.

125456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849 (or 7843 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 125456 is about 354.1976849162. The cubic root of 125456 is about 50.0607262167.

Adding to 125456 its reverse (654521), we get a palindrome (779977).

The spelling of 125456 in words is "one hundred twenty-five thousand, four hundred fifty-six".