122102125 has 8 divisors (see below), whose sum is σ = 152383608. Its totient is φ = 97681600.

The previous prime is 122102119. The next prime is 122102129. The reversal of 122102125 is 521201221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35928036 + 86174089 = 5994^2 + 9283^2 .

It is not a de Polignac number, because 122102125 - 2²³ = 113713517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102099 and 122102108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488284 + ... + 488533.

It is an arithmetic number, because the mean of its divisors is an integer number (19047951).

Almost surely, 2^122102125 is an apocalyptic number.

It is an amenable number.

122102125 is a deficient number, since it is larger than the sum of its proper divisors (30281483).

122102125 is an frugal number, since it uses more digits than its factorization.

122102125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976832 (or 976822 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 122102125 is about 11049.9830316612. The cubic root of 122102125 is about 496.1059176444.

Adding to 122102125 its reverse (521201221), we get a palindrome (643303346).

The spelling of 122102125 in words is "one hundred twenty-two million, one hundred two thousand, one hundred twenty-five".