125422 has 8 divisors (see below), whose sum is σ = 205272. Its totient is φ = 57000.

The previous prime is 125407. The next prime is 125423. The reversal of 125422 is 224521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125396 and 125405.

It is a congruent number.

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

125422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (25659).

2¹²⁵⁴²² is an apocalyptic number.

125422 is a deficient number, since it is larger than the sum of its proper divisors (79850).

125422 is a wasteful number, since it uses less digits than its factorization.

125422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its digits is 160, while the sum is 16.

The square root of 125422 is about 354.1496858674. The cubic root of 125422 is about 50.0562034664.

Adding to 125422 its reverse (224521), we get a palindrome (349943).

Subtracting 125422 from its reverse (224521), we obtain a palindrome (99099).

It can be divided in two parts, 12542 and 2, that added together give a square (12544 = 112²).

The spelling of 125422 in words is "one hundred twenty-five thousand, four hundred twenty-two".