1179800272 has 160 divisors (see below), whose sum is σ = 2989094400. Its totient is φ = 439025664.

The previous prime is 1179800257. The next prime is 1179800273. The reversal of 1179800272 is 2720089711.

It is a super-2 number, since 2×1179800272² = 2783857363622547968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179800273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1269504 + ... + 1270432.

It is an arithmetic number, because the mean of its divisors is an integer number (18681840).

Almost surely, 2^1179800272 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 1179800272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494547200).

1179800272 is an abundant number, since it is smaller than the sum of its proper divisors (1809294128).

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

1179800272 is a wasteful number, since it uses less digits than its factorization.

1179800272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1179800272 is about 34348.2207981724. The cubic root of 1179800272 is about 1056.6621812921.

Adding to 1179800272 its reverse (2720089711), we get a palindrome (3899889983).

The spelling of 1179800272 in words is "one billion, one hundred seventy-nine million, eight hundred thousand, two hundred seventy-two".