125408 has 12 divisors (see below), whose sum is σ = 246960. Its totient is φ = 62688.

The previous prime is 125407. The next prime is 125423. The reversal of 125408 is 804521.

It is a self number, because there is not a number n which added to its sum of digits gives 125408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2¹²⁵⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

125408 is a deficient number, since it is larger than the sum of its proper divisors (121552).

125408 is an equidigital number, since it uses as much as digits as its factorization.

125408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 125408 is about 354.1299196623. The cubic root of 125408 is about 50.0543409199.

Adding to 125408 its reverse (804521), we get a palindrome (929929).

The spelling of 125408 in words is "one hundred twenty-five thousand, four hundred eight".