125315222 has 8 divisors (see below), whose sum is σ = 197866200. Its totient is φ = 59359824.

The previous prime is 125315219. The next prime is 125315227. The reversal of 125315222 is 222513521.

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 (125315227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648847 + ... + 1648922.

It is an arithmetic number, because the mean of its divisors is an integer number (24733275).

Almost surely, 2^125315222 is an apocalyptic number.

125315222 is a deficient number, since it is larger than the sum of its proper divisors (72550978).

125315222 is a wasteful number, since it uses less digits than its factorization.

125315222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297790.

The product of its digits is 1200, while the sum is 23.

The square root of 125315222 is about 11194.4281676198. The cubic root of 125315222 is about 500.4199431967.

Adding to 125315222 its reverse (222513521), we get a palindrome (347828743).

The spelling of 125315222 in words is "one hundred twenty-five million, three hundred fifteen thousand, two hundred twenty-two".