1123134349 has 4 divisors (see below), whose sum is σ = 1123690464. Its totient is φ = 1122578236.

The previous prime is 1123134323. The next prime is 1123134377. The reversal of 1123134349 is 9434313211.

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: 9434313211 = 81611 ⋅115601.

It is a cyclic number.

It is not a de Polignac number, because 1123134349 - 2¹¹ = 1123132301 is a prime.

It is a super-2 number, since 2×1123134349² = 2522861531807307602, 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 1123134349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123134319) 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, 275017 + ... + 279070.

It is an arithmetic number, because the mean of its divisors is an integer number (280922616).

Almost surely, 2^1123134349 is an apocalyptic number.

It is an amenable number.

1123134349 is a deficient number, since it is larger than the sum of its proper divisors (556115).

1123134349 is an equidigital number, since it uses as much as digits as its factorization.

1123134349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556114.

The product of its digits is 7776, while the sum is 31.

The square root of 1123134349 is about 33513.1966395329. The cubic root of 1123134349 is about 1039.4666733565.

The spelling of 1123134349 in words is "one billion, one hundred twenty-three million, one hundred thirty-four thousand, three hundred forty-nine".