1182998408 has 8 divisors (see below), whose sum is σ = 2218122030. Its totient is φ = 591499200.

The previous prime is 1182998407. The next prime is 1182998423. The reversal of 1182998408 is 8048992811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1165676164 + 17322244 = 34142^2 + 4162^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1182998407) 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 as a sum of consecutive naturals, namely, 73937393 + ... + 73937408.

Almost surely, 2^1182998408 is an apocalyptic number.

It is an amenable number.

1182998408 is a deficient number, since it is larger than the sum of its proper divisors (1035123622).

1182998408 is a wasteful number, since it uses less digits than its factorization.

1182998408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147874807 (or 147874803 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 1182998408 is about 34394.7439007765. The cubic root of 1182998408 is about 1057.6160999385.

The spelling of 1182998408 in words is "one billion, one hundred eighty-two million, nine hundred ninety-eight thousand, four hundred eight".