1142300209 has 2 divisors, whose sum is σ = 1142300210. Its totient is φ = 1142300208.

The previous prime is 1142300177. The next prime is 1142300249. The reversal of 1142300209 is 9020032411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599270400 + 543029809 = 24480^2 + 23303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142300209 - 2⁵ = 1142300177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142300209.

It is not a weakly prime, because it can be changed into another prime (1142300249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571150104 + 571150105.

It is an arithmetic number, because the mean of its divisors is an integer number (571150105).

Almost surely, 2^1142300209 is an apocalyptic number.

It is an amenable number.

1142300209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142300209 is an equidigital number, since it uses as much as digits as its factorization.

1142300209 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 22.

The square root of 1142300209 is about 33797.9320225365. The cubic root of 1142300209 is about 1045.3460569509.

The spelling of 1142300209 in words is "one billion, one hundred forty-two million, three hundred thousand, two hundred nine".