125426 has 24 divisors (see below), whose sum is σ = 235776. Its totient is φ = 48960.

The previous prime is 125423. The next prime is 125429. The reversal of 125426 is 624521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125423) and next prime (125429).

It is a d-powerful number, because it can be written as 1 + 2⁷ + 4 + 5⁷ + 2⁹ + 6⁶ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125398 and 125407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4031 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (9824).

2¹²⁵⁴²⁶ is an apocalyptic number.

125426 is a deficient number, since it is larger than the sum of its proper divisors (110350).

125426 is a wasteful number, since it uses less digits than its factorization.

125426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 57 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 125426 is about 354.1553331520. The cubic root of 125426 is about 50.0567355971.

Adding to 125426 its reverse (624521), we get a palindrome (749947).

The spelling of 125426 in words is "one hundred twenty-five thousand, four hundred twenty-six".