1146727944421 has 8 divisors (see below), whose sum is σ = 1165571177688. Its totient is φ = 1127886144000.

The previous prime is 1146727944407. The next prime is 1146727944437. The reversal of 1146727944421 is 1244497276411.

It can be written as a sum of positive squares in 4 ways, for example, as 1643897025 + 1145084047396 = 40545^2 + 1070086^2 .

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 1146727944421 - 2⁵ = 1146727944389 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 (1146727945421) 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 7 ways as a sum of consecutive naturals, for example, 1319601 + ... + 2008681.

It is an arithmetic number, because the mean of its divisors is an integer number (145696397211).

Almost surely, 2^{1146727944421} is an apocalyptic number.

It is an amenable number.

1146727944421 is a deficient number, since it is larger than the sum of its proper divisors (18843233267).

1146727944421 is an equidigital number, since it uses as much as digits as its factorization.

1146727944421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716423.

The product of its digits is 2709504, while the sum is 52.

The spelling of 1146727944421 in words is "one trillion, one hundred forty-six billion, seven hundred twenty-seven million, nine hundred forty-four thousand, four hundred twenty-one".