1201613267 has 4 divisors (see below), whose sum is σ = 1201757280. Its totient is φ = 1201469256.

The previous prime is 1201613249. The next prime is 1201613291. The reversal of 1201613267 is 7623161021.

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 1201613267 - 2¹⁴ = 1201596883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201613467) 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, 58667 + ... + 76452.

It is an arithmetic number, because the mean of its divisors is an integer number (300439320).

Almost surely, 2^1201613267 is an apocalyptic number.

1201613267 is a deficient number, since it is larger than the sum of its proper divisors (144013).

1201613267 is an equidigital number, since it uses as much as digits as its factorization.

1201613267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144012.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1201613267 is about 34664.2938338573. The cubic root of 1201613267 is about 1063.1345648279.

Adding to 1201613267 its reverse (7623161021), we get a palindrome (8824774288).

The spelling of 1201613267 in words is "one billion, two hundred one million, six hundred thirteen thousand, two hundred sixty-seven".