1127530445 has 4 divisors (see below), whose sum is σ = 1353036540. Its totient is φ = 902024352.

The previous prime is 1127530399. The next prime is 1127530483. The reversal of 1127530445 is 5440357211.

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 387853636 + 739676809 = 19694^2 + 27197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127530445 - 2¹⁰ = 1127529421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112753040 + ... + 112753049.

It is an arithmetic number, because the mean of its divisors is an integer number (338259135).

Almost surely, 2^1127530445 is an apocalyptic number.

It is an amenable number.

1127530445 is a deficient number, since it is larger than the sum of its proper divisors (225506095).

1127530445 is an equidigital number, since it uses as much as digits as its factorization.

1127530445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225506094.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1127530445 is about 33578.7201215293. The cubic root of 1127530445 is about 1040.8211109683.

Adding to 1127530445 its reverse (5440357211), we get a palindrome (6567887656).

The spelling of 1127530445 in words is "one billion, one hundred twenty-seven million, five hundred thirty thousand, four hundred forty-five".