1172449992 has 32 divisors (see below), whose sum is σ = 3349857600. Its totient is φ = 334985664.

The previous prime is 1172449987. The next prime is 1172450011. The reversal of 1172449992 is 2999442711.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3489267 + ... + 3489602.

It is an arithmetic number, because the mean of its divisors is an integer number (104683050).

Almost surely, 2^1172449992 is an apocalyptic number.

1172449992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1172449992 is an abundant number, since it is smaller than the sum of its proper divisors (2177407608).

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

1172449992 is a wasteful number, since it uses less digits than its factorization.

1172449992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978885 (or 6978881 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 1172449992 is about 34241.0571098499. The cubic root of 1172449992 is about 1054.4632361565.

It can be divided in two parts, 11724 and 49992, that added together give a palindrome (61716).

The spelling of 1172449992 in words is "one billion, one hundred seventy-two million, four hundred forty-nine thousand, nine hundred ninety-two".