122145350425 has 12 divisors (see below), whose sum is σ = 173097411136. Its totient is φ = 83756811600.

The previous prime is 122145350399. The next prime is 122145350441. The reversal of 122145350425 is 524053541221.

It is a happy number.

It is not a de Polignac number, because 122145350425 - 2¹³ = 122145342233 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 348986541 + ... + 348986890.

Almost surely, 2^122145350425 is an apocalyptic number.

It is an amenable number.

122145350425 is a deficient number, since it is larger than the sum of its proper divisors (50952060711).

122145350425 is an equidigital number, since it uses as much as digits as its factorization.

122145350425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697973448 (or 697973443 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 122145350425 its reverse (524053541221), we get a palindrome (646198891646).

The spelling of 122145350425 in words is "one hundred twenty-two billion, one hundred forty-five million, three hundred fifty thousand, four hundred twenty-five".