1228454260853 has 16 divisors (see below), whose sum is σ = 1258826000640. Its totient is φ = 1198261886976.

The previous prime is 1228454260823. The next prime is 1228454260871. The reversal of 1228454260853 is 3580624548221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228454260853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228454260823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42576650 + ... + 42605492.

It is an arithmetic number, because the mean of its divisors is an integer number (78676625040).

Almost surely, 2^{1228454260853} is an apocalyptic number.

It is an amenable number.

1228454260853 is a deficient number, since it is larger than the sum of its proper divisors (30371739787).

1228454260853 is a wasteful number, since it uses less digits than its factorization.

1228454260853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 1228454260853 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-four million, two hundred sixty thousand, eight hundred fifty-three".