1341501209 has 2 divisors, whose sum is σ = 1341501210. Its totient is φ = 1341501208.

The previous prime is 1341501167. The next prime is 1341501211. The reversal of 1341501209 is 9021051431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1330425625 + 11075584 = 36475^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341501209 - 2¹⁶ = 1341435673 is a prime.

Together with 1341501211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1341501809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670750604 + 670750605.

It is an arithmetic number, because the mean of its divisors is an integer number (670750605).

Almost surely, 2^1341501209 is an apocalyptic number.

It is an amenable number.

1341501209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341501209 is an equidigital number, since it uses as much as digits as its factorization.

1341501209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1341501209 is about 36626.5096480678. The cubic root of 1341501209 is about 1102.8853201764.

The spelling of 1341501209 in words is "one billion, three hundred forty-one million, five hundred one thousand, two hundred nine".