1225424204133 has 4 divisors (see below), whose sum is σ = 1633898938848. Its totient is φ = 816949469420.

The previous prime is 1225424204111. The next prime is 1225424204141. The reversal of 1225424204133 is 3314024245221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225424204133 - 2⁵ = 1225424204101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225424204094 and 1225424204103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225424204153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204237367353 + ... + 204237367358.

It is an arithmetic number, because the mean of its divisors is an integer number (408474734712).

Almost surely, 2^{1225424204133} is an apocalyptic number.

It is an amenable number.

1225424204133 is a deficient number, since it is larger than the sum of its proper divisors (408474734715).

1225424204133 is an equidigital number, since it uses as much as digits as its factorization.

1225424204133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408474734714.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1225424204133 its reverse (3314024245221), we get a palindrome (4539448449354).

The spelling of 1225424204133 in words is "one trillion, two hundred twenty-five billion, four hundred twenty-four million, two hundred four thousand, one hundred thirty-three".