122101425 has 72 divisors (see below), whose sum is σ = 230193600. Its totient is φ = 64152000.

The previous prime is 122101423. The next prime is 122101433. The reversal of 122101425 is 524101221.

It is not a de Polignac number, because 122101425 - 2¹ = 122101423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122101398 and 122101407.

It is not an unprimeable number, because it can be changed into a prime (122101423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 613476 + ... + 613674.

Almost surely, 2^122101425 is an apocalyptic number.

122101425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122101425 is a deficient number, since it is larger than the sum of its proper divisors (108092175).

122101425 is a wasteful number, since it uses less digits than its factorization.

122101425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 122101425 is about 11049.9513573590. The cubic root of 122101425 is about 496.1049695997.

Adding to 122101425 its reverse (524101221), we get a palindrome (646202646).

The spelling of 122101425 in words is "one hundred twenty-two million, one hundred one thousand, four hundred twenty-five".