1127812756 has 12 divisors (see below), whose sum is σ = 2255625568. Its totient is φ = 483348312.

The previous prime is 1127812739. The next prime is 1127812757. The reversal of 1127812756 is 6572187211.

1127812756 is an admirable number.

It is a super-2 number, since 2×1127812756² = 2543923225192631072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127812757) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20139486 + ... + 20139541.

Almost surely, 2^1127812756 is an apocalyptic number.

It is an amenable number.

1127812756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1127812756 is a wasteful number, since it uses less digits than its factorization.

1127812756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40279038 (or 40279036 counting only the distinct ones).

The product of its digits is 47040, while the sum is 40.

The square root of 1127812756 is about 33582.9235773183. The cubic root of 1127812756 is about 1040.9079706269.

Adding to 1127812756 its reverse (6572187211), we get a palindrome (7699999967).

The spelling of 1127812756 in words is "one billion, one hundred twenty-seven million, eight hundred twelve thousand, seven hundred fifty-six".