1123148049 has 16 divisors (see below), whose sum is σ = 1546594560. Its totient is φ = 724592000.

The previous prime is 1123148041. The next prime is 1123148063. The reversal of 1123148049 is 9408413211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1123148049 - 2³ = 1123148041 is a prime.

It is a super-2 number, since 2×1123148049² = 2522923079945012802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123148041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32202 + ... + 57299.

It is an arithmetic number, because the mean of its divisors is an integer number (96662160).

Almost surely, 2^1123148049 is an apocalyptic number.

It is an amenable number.

1123148049 is a deficient number, since it is larger than the sum of its proper divisors (423446511).

1123148049 is an equidigital number, since it uses as much as digits as its factorization.

1123148049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89640.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1123148049 is about 33513.4010360035. The cubic root of 1123148049 is about 1039.4708998131.

The spelling of 1123148049 in words is "one billion, one hundred twenty-three million, one hundred forty-eight thousand, forty-nine".