1127301600421 has 4 divisors (see below), whose sum is σ = 1142744088172. Its totient is φ = 1111859112672.

The previous prime is 1127301600349. The next prime is 1127301600443. The reversal of 1127301600421 is 1240061037211.

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 224590688100 + 902710912321 = 473910^2 + 950111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127301600421 - 2¹¹ = 1127301598373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1127301600421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127301600461) 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, 7721243766 + ... + 7721243911.

It is an arithmetic number, because the mean of its divisors is an integer number (285686022043).

Almost surely, 2^{1127301600421} is an apocalyptic number.

It is an amenable number.

1127301600421 is a deficient number, since it is larger than the sum of its proper divisors (15442487751).

1127301600421 is an equidigital number, since it uses as much as digits as its factorization.

1127301600421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442487750.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 1127301600421 its reverse (1240061037211), we get a palindrome (2367362637632).

The spelling of 1127301600421 in words is "one trillion, one hundred twenty-seven billion, three hundred one million, six hundred thousand, four hundred twenty-one".