1127969447 has 16 divisors (see below), whose sum is σ = 1308652800. Its totient is φ = 961424640.

The previous prime is 1127969443. The next prime is 1127969459. The reversal of 1127969447 is 7449697211.

It is not a de Polignac number, because 1127969447 - 2² = 1127969443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1127969395 and 1127969404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127969443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7547 + ... + 48092.

It is an arithmetic number, because the mean of its divisors is an integer number (81790800).

Almost surely, 2^1127969447 is an apocalyptic number.

1127969447 is a deficient number, since it is larger than the sum of its proper divisors (180683353).

1127969447 is a wasteful number, since it uses less digits than its factorization.

1127969447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55766.

The product of its digits is 762048, while the sum is 50.

The square root of 1127969447 is about 33585.2563932449. The cubic root of 1127969447 is about 1040.9561740653.

The spelling of 1127969447 in words is "one billion, one hundred twenty-seven million, nine hundred sixty-nine thousand, four hundred forty-seven".