1127449686 has 48 divisors (see below), whose sum is σ = 2506518000. Its totient is φ = 337793280.

The previous prime is 1127449679. The next prime is 1127449699. The reversal of 1127449686 is 6869447211.

It is a super-2 number, since 2×1127449686² = 2542285588922997192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55890 + ... + 73338.

It is an arithmetic number, because the mean of its divisors is an integer number (52219125).

Almost surely, 2^1127449686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1127449686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253259000).

1127449686 is an abundant number, since it is smaller than the sum of its proper divisors (1379068314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127449686 is a wasteful number, since it uses less digits than its factorization.

1127449686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17565 (or 17554 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 1127449686 is about 33577.5175675630. The cubic root of 1127449686 is about 1040.7962608842.

The spelling of 1127449686 in words is "one billion, one hundred twenty-seven million, four hundred forty-nine thousand, six hundred eighty-six".