1127786276 has 6 divisors (see below), whose sum is σ = 1973625990. Its totient is φ = 563893136.

The previous prime is 1127786147. The next prime is 1127786333. The reversal of 1127786276 is 6726877211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 718776100 + 409010176 = 26810^2 + 20224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1127786276.

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 as a sum of consecutive naturals, namely, 140973281 + ... + 140973288.

It is an arithmetic number, because the mean of its divisors is an integer number (328937665).

Almost surely, 2^1127786276 is an apocalyptic number.

It is an amenable number.

1127786276 is a deficient number, since it is larger than the sum of its proper divisors (845839714).

1127786276 is a wasteful number, since it uses less digits than its factorization.

1127786276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281946573 (or 281946571 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 1127786276 is about 33582.5293270176. The cubic root of 1127786276 is about 1040.8998240445.

The spelling of 1127786276 in words is "one billion, one hundred twenty-seven million, seven hundred eighty-six thousand, two hundred seventy-six".