1225504401041 has 8 divisors (see below), whose sum is σ = 1238021725800. Its totient is φ = 1212994598400.

The previous prime is 1225504401001. The next prime is 1225504401047. The reversal of 1225504401041 is 1401044055221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183594253441 + 1041910147600 = 428479^2 + 1020740^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1225504401041 - 2²² = 1225500206737 is a prime.

It is a super-2 number, since 2×1225504401041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225504400995 and 1225504401013.

It is not an unprimeable number, because it can be changed into a prime (1225504401047) 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, 1552736 + ... + 2204993.

It is an arithmetic number, because the mean of its divisors is an integer number (154752715725).

Almost surely, 2^{1225504401041} is an apocalyptic number.

It is an amenable number.

1225504401041 is a deficient number, since it is larger than the sum of its proper divisors (12517324759).

1225504401041 is a wasteful number, since it uses less digits than its factorization.

1225504401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761059.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1225504401041 its reverse (1401044055221), we get a palindrome (2626548456262).

The spelling of 1225504401041 in words is "one trillion, two hundred twenty-five billion, five hundred four million, four hundred one thousand, forty-one".