1340626201 has 2 divisors, whose sum is σ = 1340626202. Its totient is φ = 1340626200.

The previous prime is 1340626163. The next prime is 1340626211. The reversal of 1340626201 is 1026260431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011240000 + 329386201 = 31800^2 + 18149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340626201 - 2¹⁹ = 1340101913 is a prime.

It is a super-2 number, since 2×1340626201² = 3594557221615384802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1340626211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670313100 + 670313101.

It is an arithmetic number, because the mean of its divisors is an integer number (670313101).

Almost surely, 2^1340626201 is an apocalyptic number.

It is an amenable number.

1340626201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340626201 is an equidigital number, since it uses as much as digits as its factorization.

1340626201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1340626201 is about 36614.5626902739. The cubic root of 1340626201 is about 1102.6454785806.

Adding to 1340626201 its reverse (1026260431), we get a palindrome (2366886632).

The spelling of 1340626201 in words is "one billion, three hundred forty million, six hundred twenty-six thousand, two hundred one".