1152727021 has 8 divisors (see below), whose sum is σ = 1166356800. Its totient is φ = 1139112480.

The previous prime is 1152727001. The next prime is 1152727067. The reversal of 1152727021 is 1207272511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152727021 - 2¹⁵ = 1152694253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152727001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234216 + ... + 239086.

It is an arithmetic number, because the mean of its divisors is an integer number (145794600).

Almost surely, 2^1152727021 is an apocalyptic number.

It is an amenable number.

1152727021 is a deficient number, since it is larger than the sum of its proper divisors (13629779).

1152727021 is an equidigital number, since it uses as much as digits as its factorization.

1152727021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619.

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

The square root of 1152727021 is about 33951.8338385425. The cubic root of 1152727021 is about 1048.5170360810.

Adding to 1152727021 its reverse (1207272511), we get a palindrome (2359999532).

The spelling of 1152727021 in words is "one billion, one hundred fifty-two million, seven hundred twenty-seven thousand, twenty-one".