125211422 has 8 divisors (see below), whose sum is σ = 214648176. Its totient is φ = 53662032.

The previous prime is 125211413. The next prime is 125211439. The reversal of 125211422 is 224112521.

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 = 125211394 and 125211403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471823 + ... + 4471850.

It is an arithmetic number, because the mean of its divisors is an integer number (26831022).

Almost surely, 2^125211422 is an apocalyptic number.

125211422 is a deficient number, since it is larger than the sum of its proper divisors (89436754).

125211422 is an equidigital number, since it uses as much as digits as its factorization.

125211422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943682.

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

The square root of 125211422 is about 11189.7909721317. The cubic root of 125211422 is about 500.2817372185.

Adding to 125211422 its reverse (224112521), we get a palindrome (349323943).

The spelling of 125211422 in words is "one hundred twenty-five million, two hundred eleven thousand, four hundred twenty-two".