1162465021 has 2 divisors, whose sum is σ = 1162465022. Its totient is φ = 1162465020.

The previous prime is 1162465009. The next prime is 1162465027. The reversal of 1162465021 is 1205642611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783384121 + 379080900 = 27989^2 + 19470^2 .

It is an emirp because it is prime and its reverse (1205642611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1162465021 - 2⁹ = 1162464509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162465027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581232510 + 581232511.

It is an arithmetic number, because the mean of its divisors is an integer number (581232511).

Almost surely, 2^1162465021 is an apocalyptic number.

It is an amenable number.

1162465021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162465021 is an equidigital number, since it uses as much as digits as its factorization.

1162465021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1162465021 is about 34094.9412816623. The cubic root of 1162465021 is about 1051.4613125506.

The spelling of 1162465021 in words is "one billion, one hundred sixty-two million, four hundred sixty-five thousand, twenty-one".