1142312004 has 24 divisors (see below), whose sum is σ = 2961549920. Its totient is φ = 380770632.

The previous prime is 1142311993. The next prime is 1142312033. The reversal of 1142312004 is 4002132411.

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, 5288374 + ... + 5288589.

Almost surely, 2^1142312004 is an apocalyptic number.

It is an amenable number.

1142312004 is an abundant number, since it is smaller than the sum of its proper divisors (1819237916).

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

1142312004 is a wasteful number, since it uses less digits than its factorization.

1142312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576976 (or 10576968 counting only the distinct ones).

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

The square root of 1142312004 is about 33798.1065150106. The cubic root of 1142312004 is about 1045.3496549001.

Adding to 1142312004 its reverse (4002132411), we get a palindrome (5144444415).

The spelling of 1142312004 in words is "one billion, one hundred forty-two million, three hundred twelve thousand, four".