122501225 has 36 divisors (see below), whose sum is σ = 192786768. Its totient is φ = 76356000.

The previous prime is 122501221. The next prime is 122501233. The reversal of 122501225 is 522105221.

It is a happy number.

It is not a de Polignac number, because 122501225 - 2² = 122501221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122501197 and 122501206.

It is not an unprimeable number, because it can be changed into a prime (122501221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8930 + ... + 18020.

It is an arithmetic number, because the mean of its divisors is an integer number (5355188).

Almost surely, 2^122501225 is an apocalyptic number.

It is an amenable number.

122501225 is a deficient number, since it is larger than the sum of its proper divisors (70285543).

122501225 is a wasteful number, since it uses less digits than its factorization.

122501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 122501225 is about 11068.0271503100. The cubic root of 122501225 is about 496.6458496648.

Adding to 122501225 its reverse (522105221), we get a palindrome (644606446).

The spelling of 122501225 in words is "one hundred twenty-two million, five hundred one thousand, two hundred twenty-five".