1182272872 has 64 divisors (see below), whose sum is σ = 2571134400. Its totient is φ = 504000000.

The previous prime is 1182272869. The next prime is 1182272881. The reversal of 1182272872 is 2782722811.

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 15 ways as a sum of consecutive naturals, for example, 165372 + ... + 172372.

It is an arithmetic number, because the mean of its divisors is an integer number (40173975).

Almost surely, 2^1182272872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182272872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285567200).

1182272872 is an abundant number, since it is smaller than the sum of its proper divisors (1388861528).

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

1182272872 is a wasteful number, since it uses less digits than its factorization.

1182272872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138 (or 7134 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 1182272872 is about 34384.1950901864. The cubic root of 1182272872 is about 1057.3998428207.

The spelling of 1182272872 in words is "one billion, one hundred eighty-two million, two hundred seventy-two thousand, eight hundred seventy-two".