1121243134 has 8 divisors (see below), whose sum is σ = 1834761528. Its totient is φ = 509655960.

The previous prime is 1121243131. The next prime is 1121243141. The reversal of 1121243134 is 4313421211.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 50965597 = 1121243134 / (1 + 1 + 2 + 1 + 2 + 4 + 3 + 1 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121243131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25482777 + ... + 25482820.

It is an arithmetic number, because the mean of its divisors is an integer number (229345191).

Almost surely, 2^1121243134 is an apocalyptic number.

1121243134 is a deficient number, since it is larger than the sum of its proper divisors (713518394).

1121243134 is a wasteful number, since it uses less digits than its factorization.

1121243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50965610.

The product of its digits is 576, while the sum is 22.

The square root of 1121243134 is about 33484.9687770498. The cubic root of 1121243134 is about 1038.8829024669.

Adding to 1121243134 its reverse (4313421211), we get a palindrome (5434664345).

The spelling of 1121243134 in words is "one billion, one hundred twenty-one million, two hundred forty-three thousand, one hundred thirty-four".