1226675521453 has 4 divisors (see below), whose sum is σ = 1227209557500. Its totient is φ = 1226141485408.

The previous prime is 1226675521399. The next prime is 1226675521457. The reversal of 1226675521453 is 3541255766221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 884875099684 + 341800421769 = 940678^2 + 584637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226675521453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226675521397 and 1226675521406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226675521457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267014578 + ... + 267019171.

It is an arithmetic number, because the mean of its divisors is an integer number (306802389375).

Almost surely, 2^{1226675521453} is an apocalyptic number.

It is an amenable number.

1226675521453 is a deficient number, since it is larger than the sum of its proper divisors (534036047).

1226675521453 is an equidigital number, since it uses as much as digits as its factorization.

1226675521453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534036046.

The product of its digits is 3024000, while the sum is 49.

The spelling of 1226675521453 in words is "one trillion, two hundred twenty-six billion, six hundred seventy-five million, five hundred twenty-one thousand, four hundred fifty-three".