1201320267 has 8 divisors (see below), whose sum is σ = 1830583296. Its totient is φ = 686468712.

The previous prime is 1201320259. The next prime is 1201320287. The reversal of 1201320267 is 7620231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201320267 - 2³ = 1201320259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201320227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28602843 + ... + 28602884.

It is an arithmetic number, because the mean of its divisors is an integer number (228822912).

Almost surely, 2^1201320267 is an apocalyptic number.

1201320267 is a deficient number, since it is larger than the sum of its proper divisors (629263029).

1201320267 is an equidigital number, since it uses as much as digits as its factorization.

1201320267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57205737.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1201320267 is about 34660.0673253818. The cubic root of 1201320267 is about 1063.0481466328.

Adding to 1201320267 its reverse (7620231021), we get a palindrome (8821551288).

The spelling of 1201320267 in words is "one billion, two hundred one million, three hundred twenty thousand, two hundred sixty-seven".