1122431004 has 72 divisors (see below), whose sum is σ = 3116480640. Its totient is φ = 339036192.

The previous prime is 1122430997. The next prime is 1122431039. The reversal of 1122431004 is 4001342211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19942 + ... + 51405.

Almost surely, 2^1122431004 is an apocalyptic number.

It is an amenable number.

1122431004 is an abundant number, since it is smaller than the sum of its proper divisors (1994049636).

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

1122431004 is a wasteful number, since it uses less digits than its factorization.

1122431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71399 (or 71394 counting only the distinct ones).

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

The square root of 1122431004 is about 33502.7014433165. The cubic root of 1122431004 is about 1039.2496448965.

Adding to 1122431004 its reverse (4001342211), we get a palindrome (5123773215).

The spelling of 1122431004 in words is "one billion, one hundred twenty-two million, four hundred thirty-one thousand, four".