125811422 has 8 divisors (see below), whose sum is σ = 205873272. Its totient is φ = 57187000.

The previous prime is 125811419. The next prime is 125811431. The reversal of 125811422 is 224118521.

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 = 125811391 and 125811400.

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, 2859329 + ... + 2859372.

It is an arithmetic number, because the mean of its divisors is an integer number (25734159).

Almost surely, 2^125811422 is an apocalyptic number.

125811422 is a deficient number, since it is larger than the sum of its proper divisors (80061850).

125811422 is a wasteful number, since it uses less digits than its factorization.

125811422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718714.

The product of its digits is 1280, while the sum is 26.

The square root of 125811422 is about 11216.5690832803. The cubic root of 125811422 is about 501.0795634081.

Adding to 125811422 its reverse (224118521), we get a palindrome (349929943).

The spelling of 125811422 in words is "one hundred twenty-five million, eight hundred eleven thousand, four hundred twenty-two".