1225534121241 has 8 divisors (see below), whose sum is σ = 1634056554720. Its totient is φ = 817017217632.

The previous prime is 1225534121237. The next prime is 1225534121249. The reversal of 1225534121241 is 1421214355221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225534121241 - 2² = 1225534121237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225534121249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834300 + ... + 1774013.

It is an arithmetic number, because the mean of its divisors is an integer number (204257069340).

Almost surely, 2^{1225534121241} is an apocalyptic number.

It is an amenable number.

1225534121241 is a deficient number, since it is larger than the sum of its proper divisors (408522433479).

1225534121241 is a wasteful number, since it uses less digits than its factorization.

1225534121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764935.

The product of its digits is 19200, while the sum is 33.

Adding to 1225534121241 its reverse (1421214355221), we get a palindrome (2646748476462).

The spelling of 1225534121241 in words is "one trillion, two hundred twenty-five billion, five hundred thirty-four million, one hundred twenty-one thousand, two hundred forty-one".