125023123250 has 16 divisors (see below), whose sum is σ = 234043287192. Its totient is φ = 50009249200.

The previous prime is 125023123243. The next prime is 125023123259. The reversal of 125023123250 is 52321320521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41205346081 + 83817777169 = 202991^2 + 289513^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125023123259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250045997 + ... + 250046496.

Almost surely, 2^125023123250 is an apocalyptic number.

125023123250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125023123250 is a deficient number, since it is larger than the sum of its proper divisors (109020163942).

125023123250 is an equidigital number, since it uses as much as digits as its factorization.

125023123250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500092510 (or 500092500 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 125023123250 its reverse (52321320521), we get a palindrome (177344443771).

The spelling of 125023123250 in words is "one hundred twenty-five billion, twenty-three million, one hundred twenty-three thousand, two hundred fifty".