1201343207 has 4 divisors (see below), whose sum is σ = 1205588520. Its totient is φ = 1197097896.

The previous prime is 1201343203. The next prime is 1201343219. The reversal of 1201343207 is 7023431021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201343207 - 2² = 1201343203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201343201) 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 in 3 ways as a sum of consecutive naturals, for example, 2122232 + ... + 2122797.

It is an arithmetic number, because the mean of its divisors is an integer number (301397130).

Almost surely, 2^1201343207 is an apocalyptic number.

1201343207 is a deficient number, since it is larger than the sum of its proper divisors (4245313).

1201343207 is an equidigital number, since it uses as much as digits as its factorization.

1201343207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245312.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1201343207 is about 34660.3982521840. The cubic root of 1201343207 is about 1063.0549131240.

Adding to 1201343207 its reverse (7023431021), we get a palindrome (8224774228).

The spelling of 1201343207 in words is "one billion, two hundred one million, three hundred forty-three thousand, two hundred seven".