366121225 has 12 divisors (see below), whose sum is σ = 458401216. Its totient is φ = 290051280.

The previous prime is 366121213. The next prime is 366121229. The reversal of 366121225 is 522121663.

It is not a de Polignac number, because 366121225 - 2⁷ = 366121097 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 366121193 and 366121202.

It is not an unprimeable number, because it can be changed into a prime (366121229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68517 + ... + 73666.

Almost surely, 2^366121225 is an apocalyptic number.

It is an amenable number.

366121225 is a deficient number, since it is larger than the sum of its proper divisors (92279991).

366121225 is a wasteful number, since it uses less digits than its factorization.

366121225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142296 (or 142291 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 366121225 is about 19134.2944735363. The cubic root of 366121225 is about 715.3879746797.

Adding to 366121225 its reverse (522121663), we get a palindrome (888242888).

The spelling of 366121225 in words is "three hundred sixty-six million, one hundred twenty-one thousand, two hundred twenty-five".