125217230 has 16 divisors (see below), whose sum is σ = 225519120. Its totient is φ = 50058432.

The previous prime is 125217187. The next prime is 125217263. The reversal of 125217230 is 32712521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125217196 and 125217205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29906 + ... + 33834.

It is an arithmetic number, because the mean of its divisors is an integer number (14094945).

Almost surely, 2^125217230 is an apocalyptic number.

125217230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125217230 is a deficient number, since it is larger than the sum of its proper divisors (100301890).

125217230 is a wasteful number, since it uses less digits than its factorization.

125217230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125217230 is about 11190.0504913964. The cubic root of 125217230 is about 500.2894723791.

Adding to 125217230 its reverse (32712521), we get a palindrome (157929751).

The spelling of 125217230 in words is "one hundred twenty-five million, two hundred seventeen thousand, two hundred thirty".