125123245206 has 8 divisors (see below), whose sum is σ = 250246490424. Its totient is φ = 41707748400.

The previous prime is 125123245199. The next prime is 125123245207. The reversal of 125123245206 is 602542321521.

It is a happy number.

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

125123245206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125123245207) 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, 10426937095 + ... + 10426937106.

It is an arithmetic number, because the mean of its divisors is an integer number (31280811303).

Almost surely, 2^125123245206 is an apocalyptic number.

125123245206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125123245206 is a wasteful number, since it uses less digits than its factorization.

125123245206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20853874206.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 125123245206 its reverse (602542321521), we get a palindrome (727665566727).

The spelling of 125123245206 in words is "one hundred twenty-five billion, one hundred twenty-three million, two hundred forty-five thousand, two hundred six".