1454727121 has 4 divisors (see below), whose sum is σ = 1455108532. Its totient is φ = 1454345712.

The previous prime is 1454727119. The next prime is 1454727143. The reversal of 1454727121 is 1217274541.

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 796086225 + 658640896 = 28215^2 + 25664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454727121 - 2¹ = 1454727119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454727181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184926 + ... + 192631.

It is an arithmetic number, because the mean of its divisors is an integer number (363777133).

Almost surely, 2^1454727121 is an apocalyptic number.

It is an amenable number.

1454727121 is a deficient number, since it is larger than the sum of its proper divisors (381411).

1454727121 is an equidigital number, since it uses as much as digits as its factorization.

1454727121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381410.

The product of its digits is 15680, while the sum is 34.

The square root of 1454727121 is about 38140.8851627751. The cubic root of 1454727121 is about 1133.0798382198.

The spelling of 1454727121 in words is "one billion, four hundred fifty-four million, seven hundred twenty-seven thousand, one hundred twenty-one".