121126225 has 24 divisors (see below), whose sum is σ = 164462688. Its totient is φ = 87763200.

The previous prime is 121126217. The next prime is 121126231. The reversal of 121126225 is 522621121.

It is not a de Polignac number, because 121126225 - 2³ = 121126217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121126196 and 121126205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92022 + ... + 93328.

It is an arithmetic number, because the mean of its divisors is an integer number (6852612).

Almost surely, 2^121126225 is an apocalyptic number.

It is an amenable number.

121126225 is a deficient number, since it is larger than the sum of its proper divisors (43336463).

121126225 is a wasteful number, since it uses less digits than its factorization.

121126225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1660 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 121126225 is about 11005.7360044660. The cubic root of 121126225 is about 494.7806735040.

Adding to 121126225 its reverse (522621121), we get a palindrome (643747346).

The spelling of 121126225 in words is "one hundred twenty-one million, one hundred twenty-six thousand, two hundred twenty-five".