1121214133 has 4 divisors (see below), whose sum is σ = 1207461388. Its totient is φ = 1034966880.

The previous prime is 1121214131. The next prime is 1121214139. The reversal of 1121214133 is 3314121211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3314121211 = 4651 ⋅712561.

It can be written as a sum of positive squares in 2 ways, for example, as 256736529 + 864477604 = 16023^2 + 29402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121214133 - 2¹ = 1121214131 is a prime.

It is a super-2 number, since 2×1121214133² = 2514242264077883378, which contains 22 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 1121214133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121214131) 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, 43123608 + ... + 43123633.

It is an arithmetic number, because the mean of its divisors is an integer number (301865347).

Almost surely, 2^1121214133 is an apocalyptic number.

1121214133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1121214133 is a deficient number, since it is larger than the sum of its proper divisors (86247255).

1121214133 is an equidigital number, since it uses as much as digits as its factorization.

1121214133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86247254.

The product of its digits is 144, while the sum is 19.

The square root of 1121214133 is about 33484.5357291989. The cubic root of 1121214133 is about 1038.8739454732.

Adding to 1121214133 its reverse (3314121211), we get a palindrome (4435335344).

The spelling of 1121214133 in words is "one billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred thirty-three".