1123322201 has 8 divisors (see below), whose sum is σ = 1140901824. Its totient is φ = 1105766640.

The previous prime is 1123322147. The next prime is 1123322287. The reversal of 1123322201 is 1022233211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123322201 is a prime.

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 1123322201.

It is not an unprimeable number, because it can be changed into a prime (1123328201) 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, 103436 + ... + 113778.

It is an arithmetic number, because the mean of its divisors is an integer number (142612728).

Almost surely, 2^1123322201 is an apocalyptic number.

It is an amenable number.

1123322201 is a deficient number, since it is larger than the sum of its proper divisors (17579623).

1123322201 is a wasteful number, since it uses less digits than its factorization.

1123322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12031.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1123322201 is about 33515.9991794963. Note that the first 3 decimals coincide. The cubic root of 1123322201 is about 1039.5246227931.

Adding to 1123322201 its reverse (1022233211), we get a palindrome (2145555412).

The spelling of 1123322201 in words is "one billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred one".