1340401201 has 2 divisors, whose sum is σ = 1340401202. Its totient is φ = 1340401200.

The previous prime is 1340401133. The next prime is 1340401207. The reversal of 1340401201 is 1021040431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315948176 + 24453025 = 36276^2 + 4945^2 .

It is an emirp because it is prime and its reverse (1021040431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340401201 - 2²⁵ = 1306846769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340401207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670200600 + 670200601.

It is an arithmetic number, because the mean of its divisors is an integer number (670200601).

Almost surely, 2^1340401201 is an apocalyptic number.

It is an amenable number.

1340401201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340401201 is an equidigital number, since it uses as much as digits as its factorization.

1340401201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340401201 is about 36611.4900133824. The cubic root of 1340401201 is about 1102.5837887242.

Adding to 1340401201 its reverse (1021040431), we get a palindrome (2361441632).

The spelling of 1340401201 in words is "one billion, three hundred forty million, four hundred one thousand, two hundred one".