1332727021 has 2 divisors, whose sum is σ = 1332727022. Its totient is φ = 1332727020.

The previous prime is 1332727009. The next prime is 1332727031. The reversal of 1332727021 is 1207272331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735168996 + 597558025 = 27114^2 + 24445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332727021 - 2⁷ = 1332726893 is a prime.

It is a super-2 number, since 2×1332727021² = 3552322625007068882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332727031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666363510 + 666363511.

It is an arithmetic number, because the mean of its divisors is an integer number (666363511).

Almost surely, 2^1332727021 is an apocalyptic number.

It is an amenable number.

1332727021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332727021 is an equidigital number, since it uses as much as digits as its factorization.

1332727021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1332727021 is about 36506.5339494179. The cubic root of 1332727021 is about 1100.4755577357.

Adding to 1332727021 its reverse (1207272331), we get a palindrome (2539999352).

The spelling of 1332727021 in words is "one billion, three hundred thirty-two million, seven hundred twenty-seven thousand, twenty-one".