1123142634 has 12 divisors (see below), whose sum is σ = 2433475746. Its totient is φ = 374380872.

The previous prime is 1123142633. The next prime is 1123142701. The reversal of 1123142634 is 4362413211.

It is a happy number.

1123142634 is a `hidden beast` number, since 1 + 1 + 23 + 1 + 4 + 2 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 893711025 + 229431609 = 29895^2 + 15147^2 .

It is a super-2 number, since 2×1123142634² = 2522898752616915912, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1123142598 and 1123142607.

It is not an unprimeable number, because it can be changed into a prime (1123142633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31198389 + ... + 31198424.

Almost surely, 2^1123142634 is an apocalyptic number.

1123142634 is an abundant number, since it is smaller than the sum of its proper divisors (1310333112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123142634 is a wasteful number, since it uses less digits than its factorization.

1123142634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62396821 (or 62396818 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1123142634 is about 33513.3202473285. The cubic root of 1123142634 is about 1039.4692292871.

Adding to 1123142634 its reverse (4362413211), we get a palindrome (5485555845).

The spelling of 1123142634 in words is "one billion, one hundred twenty-three million, one hundred forty-two thousand, six hundred thirty-four".