1340224201 has 4 divisors (see below), whose sum is σ = 1340469504. Its totient is φ = 1339978900.

The previous prime is 1340224139. The next prime is 1340224219. The reversal of 1340224201 is 1024220431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340224201 - 2⁷ = 1340224073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340224601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114265 + ... + 125446.

It is an arithmetic number, because the mean of its divisors is an integer number (335117376).

Almost surely, 2^1340224201 is an apocalyptic number.

It is an amenable number.

1340224201 is a deficient number, since it is larger than the sum of its proper divisors (245303).

1340224201 is an equidigital number, since it uses as much as digits as its factorization.

1340224201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245302.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1340224201 is about 36609.0726596564. The cubic root of 1340224201 is about 1102.5352545189.

Adding to 1340224201 its reverse (1024220431), we get a palindrome (2364444632).

The spelling of 1340224201 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, two hundred one".