1142031204 has 24 divisors (see below), whose sum is σ = 2960821920. Its totient is φ = 380677032.

The previous prime is 1142031197. The next prime is 1142031217. The reversal of 1142031204 is 4021302411.

1142031204 is a `hidden beast` number, since 11 + 420 + 31 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5287074 + ... + 5287289.

It is an arithmetic number, because the mean of its divisors is an integer number (123367580).

Almost surely, 2^1142031204 is an apocalyptic number.

It is an amenable number.

1142031204 is an abundant number, since it is smaller than the sum of its proper divisors (1818790716).

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

1142031204 is a wasteful number, since it uses less digits than its factorization.

1142031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10574376 (or 10574368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1142031204 is about 33793.9521808267. The cubic root of 1142031204 is about 1045.2639928867.

Adding to 1142031204 its reverse (4021302411), we get a palindrome (5163333615).

It can be divided in two parts, 11420 and 31204, that added together give a palindrome (42624).

The spelling of 1142031204 in words is "one billion, one hundred forty-two million, thirty-one thousand, two hundred four".