1142041424 has 20 divisors (see below), whose sum is σ = 2221970880. Its totient is φ = 568629600.

The previous prime is 1142041421. The next prime is 1142041477. The reversal of 1142041424 is 4241402411.

It is a super-2 number, since 2×1142041424² = 2608517228263895552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142041424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142041421) 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, 145502 + ... + 153149.

It is an arithmetic number, because the mean of its divisors is an integer number (111098544).

Almost surely, 2^1142041424 is an apocalyptic number.

It is an amenable number.

1142041424 is a deficient number, since it is larger than the sum of its proper divisors (1079929456).

1142041424 is a wasteful number, since it uses less digits than its factorization.

1142041424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298898 (or 298892 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1142041424 is about 33794.1033909764. The cubic root of 1142041424 is about 1045.2671108886.

Adding to 1142041424 its reverse (4241402411), we get a palindrome (5383443835).

The spelling of 1142041424 in words is "one billion, one hundred forty-two million, forty-one thousand, four hundred twenty-four".