1127982249 has 48 divisors (see below), whose sum is σ = 1754438400. Its totient is φ = 695858688.

The previous prime is 1127982227. The next prime is 1127982277. The reversal of 1127982249 is 9422897211.

It is not a de Polignac number, because 1127982249 - 2¹² = 1127978153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1127982209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3985662 + ... + 3985944.

It is an arithmetic number, because the mean of its divisors is an integer number (36550800).

Almost surely, 2^1127982249 is an apocalyptic number.

It is an amenable number.

1127982249 is a deficient number, since it is larger than the sum of its proper divisors (626456151).

1127982249 is a wasteful number, since it uses less digits than its factorization.

1127982249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 651 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1127982249 is about 33585.4469822868. The cubic root of 1127982249 is about 1040.9601121951.

It can be divided in two parts, 11279 and 82249, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 1127982249 in words is "one billion, one hundred twenty-seven million, nine hundred eighty-two thousand, two hundred forty-nine".