1127749384 has 8 divisors (see below), whose sum is σ = 2114530110. Its totient is φ = 563874688.

The previous prime is 1127749367. The next prime is 1127749391. The reversal of 1127749384 is 4839477211.

It can be written as a sum of positive squares in only one way, i.e., 661621284 + 466128100 = 25722^2 + 21590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1127749384² = 2543637346224758912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70484329 + ... + 70484344.

Almost surely, 2^1127749384 is an apocalyptic number.

It is an amenable number.

1127749384 is a deficient number, since it is larger than the sum of its proper divisors (986780726).

1127749384 is a wasteful number, since it uses less digits than its factorization.

1127749384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140968679 (or 140968675 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 1127749384 is about 33581.9800488298. The cubic root of 1127749384 is about 1040.8884739935. Note that the first 3 decimals are identical.

The spelling of 1127749384 in words is "one billion, one hundred twenty-seven million, seven hundred forty-nine thousand, three hundred eighty-four".