1201324211 has 4 divisors (see below), whose sum is σ = 1201846800. Its totient is φ = 1200801624.

The previous prime is 1201324171. The next prime is 1201324219. The reversal of 1201324211 is 1124231021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1124231021 = 673 ⋅1670477.

It is a cyclic number.

It is not a de Polignac number, because 1201324211 - 2⁶ = 1201324147 is a prime.

It is a super-3 number, since 3×1201324211³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201324211.

It is not an unprimeable number, because it can be changed into a prime (1201324219) 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, 257831 + ... + 262448.

It is an arithmetic number, because the mean of its divisors is an integer number (300461700).

Almost surely, 2^1201324211 is an apocalyptic number.

1201324211 is a deficient number, since it is larger than the sum of its proper divisors (522589).

1201324211 is an equidigital number, since it uses as much as digits as its factorization.

1201324211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522588.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1201324211 is about 34660.1242207814. The cubic root of 1201324211 is about 1063.0493099799.

Adding to 1201324211 its reverse (1124231021), we get a palindrome (2325555232).

The spelling of 1201324211 in words is "one billion, two hundred one million, three hundred twenty-four thousand, two hundred eleven".