1124142005 has 32 divisors (see below), whose sum is σ = 1578562560. Its totient is φ = 752486400.

The previous prime is 1124141989. The next prime is 1124142007. The reversal of 1124142005 is 5002414211.

It is a happy number.

It is not a de Polignac number, because 1124142005 - 2⁴ = 1124141989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124142007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935405 + ... + 936605.

It is an arithmetic number, because the mean of its divisors is an integer number (49330080).

Almost surely, 2^1124142005 is an apocalyptic number.

It is an amenable number.

1124142005 is a deficient number, since it is larger than the sum of its proper divisors (454420555).

1124142005 is a wasteful number, since it uses less digits than its factorization.

1124142005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1124142005 is about 33528.2269886136. The cubic root of 1124142005 is about 1039.7774440563. Note that the first 3 decimals are identical.

Adding to 1124142005 its reverse (5002414211), we get a palindrome (6126556216).

The spelling of 1124142005 in words is "one billion, one hundred twenty-four million, one hundred forty-two thousand, five".