125511422 has 8 divisors (see below), whose sum is σ = 188408376. Its totient is φ = 62708632.

The previous prime is 125511413. The next prime is 125511427. The reversal of 125511422 is 224115521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125511427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20108 + ... + 25599.

It is an arithmetic number, because the mean of its divisors is an integer number (23551047).

Almost surely, 2^125511422 is an apocalyptic number.

125511422 is a deficient number, since it is larger than the sum of its proper divisors (62896954).

125511422 is a wasteful number, since it uses less digits than its factorization.

125511422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47082.

The product of its digits is 800, while the sum is 23.

The square root of 125511422 is about 11203.1880284141. The cubic root of 125511422 is about 500.6809681437.

Adding to 125511422 its reverse (224115521), we get a palindrome (349626943).

The spelling of 125511422 in words is "one hundred twenty-five million, five hundred eleven thousand, four hundred twenty-two".