125221424033 has 2 divisors, whose sum is σ = 125221424034. Its totient is φ = 125221424032.

The previous prime is 125221424017. The next prime is 125221424051. The reversal of 125221424033 is 330424122521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101062317409 + 24159106624 = 317903^2 + 155432^2 .

It is a cyclic number.

It is not a de Polignac number, because 125221424033 - 2⁴ = 125221424017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125221423987 and 125221424005.

It is not a weakly prime, because it can be changed into another prime (125221424333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62610712016 + 62610712017.

It is an arithmetic number, because the mean of its divisors is an integer number (62610712017).

Almost surely, 2^125221424033 is an apocalyptic number.

It is an amenable number.

125221424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

125221424033 is an equidigital number, since it uses as much as digits as its factorization.

125221424033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 125221424033 its reverse (330424122521), we get a palindrome (455645546554).

The spelling of 125221424033 in words is "one hundred twenty-five billion, two hundred twenty-one million, four hundred twenty-four thousand, thirty-three".