122525221 has 16 divisors (see below), whose sum is σ = 152304768. Its totient is φ = 95976000.

The previous prime is 122525191. The next prime is 122525251.

122525221 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (122525191) and next prime (122525251).

It is a cyclic number.

It is not a de Polignac number, because 122525221 - 2¹³ = 122517029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122525192 and 122525201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122525251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526 + ... + 15856.

It is an arithmetic number, because the mean of its divisors is an integer number (9519048).

Almost surely, 2^122525221 is an apocalyptic number.

It is an amenable number.

122525221 is a deficient number, since it is larger than the sum of its proper divisors (29779547).

122525221 is a wasteful number, since it uses less digits than its factorization.

122525221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452.

The product of its digits is 800, while the sum is 22.

The square root of 122525221 is about 11069.1111205914. Note that the first 4 decimals coincide. The cubic root of 122525221 is about 496.6782758323.

The spelling of 122525221 in words is "one hundred twenty-two million, five hundred twenty-five thousand, two hundred twenty-one".