1182878449 has 9 divisors (see below), whose sum is σ = 1195847289. Its totient is φ = 1170049860.

The previous prime is 1182878447. The next prime is 1182878467. The reversal of 1182878449 is 9448782811.

The square root of 1182878449 is 34393.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1182878449 - 2¹ = 1182878447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1182878396 and 1182878405.

It is not an unprimeable number, because it can be changed into a prime (1182878447) 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 8 ways as a sum of consecutive naturals, for example, 5605954 + ... + 5606164.

It is an arithmetic number, because the mean of its divisors is an integer number (132871921).

Almost surely, 2^1182878449 is an apocalyptic number.

1182878449 is the 34393-rd square number.

1182878449 is the 17197-th centered octagonal number.

It is an amenable number.

1182878449 is a deficient number, since it is larger than the sum of its proper divisors (12968840).

1182878449 is an frugal number, since it uses more digits than its factorization.

1182878449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 374 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The cubic root of 1182878449 is about 1057.5803504235.

It can be divided in two parts, 118287 and 8449, that added together give a square (126736 = 356²).

The spelling of 1182878449 in words is "one billion, one hundred eighty-two million, eight hundred seventy-eight thousand, four hundred forty-nine".