727121152 has 36 divisors (see below), whose sum is σ = 1453936036. Its totient is φ = 362926080.

The previous prime is 727121141. The next prime is 727121177. The reversal of 727121152 is 251121727.

727121152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 488233216 + 238887936 = 22096^2 + 15456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 727121152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167068 + ... + 171364.

Almost surely, 2^727121152 is an apocalyptic number.

It is an amenable number.

727121152 is a deficient number, since it is larger than the sum of its proper divisors (726814884).

727121152 is an equidigital number, since it uses as much as digits as its factorization.

727121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4960 counting only the distinct ones).

The product of its digits is 1960, while the sum is 28.

The square root of 727121152 is about 26965.1840713169. The cubic root of 727121152 is about 899.2261463250.

Adding to 727121152 its reverse (251121727), we get a palindrome (978242879).

The spelling of 727121152 in words is "seven hundred twenty-seven million, one hundred twenty-one thousand, one hundred fifty-two".