1122312133 has 4 divisors (see below), whose sum is σ = 1124058208. Its totient is φ = 1120566060.

The previous prime is 1122312131. The next prime is 1122312187. The reversal of 1122312133 is 3312132211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3312132211 = 1549 ⋅2138239.

It is a cyclic number.

It is not a de Polignac number, because 1122312133 - 2¹ = 1122312131 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 1122312133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312131) 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, 872073 + ... + 873358.

It is an arithmetic number, because the mean of its divisors is an integer number (281014552).

Almost surely, 2^1122312133 is an apocalyptic number.

It is an amenable number.

1122312133 is a deficient number, since it is larger than the sum of its proper divisors (1746075).

1122312133 is an equidigital number, since it uses as much as digits as its factorization.

1122312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746074.

The product of its digits is 216, while the sum is 19.

The square root of 1122312133 is about 33500.9273453736. The cubic root of 1122312133 is about 1039.2129563739.

Adding to 1122312133 its reverse (3312132211), we get a palindrome (4434444344).

The spelling of 1122312133 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, one hundred thirty-three".