1225104201 has 24 divisors (see below), whose sum is σ = 1881584640. Its totient is φ = 765453696.

The previous prime is 1225104197. The next prime is 1225104203. The reversal of 1225104201 is 1024015221.

It is not a de Polignac number, because 1225104201 - 2² = 1225104197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225104203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19816 + ... + 53318.

It is an arithmetic number, because the mean of its divisors is an integer number (78399360).

Almost surely, 2^1225104201 is an apocalyptic number.

It is an amenable number.

1225104201 is a deficient number, since it is larger than the sum of its proper divisors (656480439).

1225104201 is a wasteful number, since it uses less digits than its factorization.

1225104201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33765 (or 33762 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1225104201 is about 35001.4885540601. The cubic root of 1225104201 is about 1070.0178181445.

Adding to 1225104201 its reverse (1024015221), we get a palindrome (2249119422).

The spelling of 1225104201 in words is "one billion, two hundred twenty-five million, one hundred four thousand, two hundred one".