1132401209 has 2 divisors, whose sum is σ = 1132401210. Its totient is φ = 1132401208.

The previous prime is 1132401199. The next prime is 1132401227. The reversal of 1132401209 is 9021042311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699761209 + 432640000 = 26453^2 + 20800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132401209 - 2²⁰ = 1131352633 is a prime.

It is a super-3 number, since 3×1132401209³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1132401299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566200604 + 566200605.

It is an arithmetic number, because the mean of its divisors is an integer number (566200605).

Almost surely, 2^1132401209 is an apocalyptic number.

It is an amenable number.

1132401209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132401209 is an equidigital number, since it uses as much as digits as its factorization.

1132401209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1132401209 is about 33651.1695041941. The cubic root of 1132401209 is about 1042.3176888877.

The spelling of 1132401209 in words is "one billion, one hundred thirty-two million, four hundred one thousand, two hundred nine".