1152202409 has 2 divisors, whose sum is σ = 1152202410. Its totient is φ = 1152202408.

The previous prime is 1152202399. The next prime is 1152202423. The reversal of 1152202409 is 9042022511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662908009 + 489294400 = 25747^2 + 22120^2 .

It is an emirp because it is prime and its reverse (9042022511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152202409 - 2⁸ = 1152202153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1152202109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576101204 + 576101205.

It is an arithmetic number, because the mean of its divisors is an integer number (576101205).

Almost surely, 2^1152202409 is an apocalyptic number.

It is an amenable number.

1152202409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152202409 is an equidigital number, since it uses as much as digits as its factorization.

1152202409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1152202409 is about 33944.1071321665. The cubic root of 1152202409 is about 1048.3579501118.

The spelling of 1152202409 in words is "one billion, one hundred fifty-two million, two hundred two thousand, four hundred nine".