1131004234 has 32 divisors (see below), whose sum is σ = 1808755920. Its totient is φ = 529385472.

The previous prime is 1131004201. The next prime is 1131004247. The reversal of 1131004234 is 4324001311.

It can be written as a sum of positive squares in 8 ways, for example, as 973627209 + 157377025 = 31203^2 + 12545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756792 + ... + 758284.

Almost surely, 2^1131004234 is an apocalyptic number.

1131004234 is a deficient number, since it is larger than the sum of its proper divisors (677751686).

1131004234 is a wasteful number, since it uses less digits than its factorization.

1131004234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1131004234 is about 33630.4063906460. The cubic root of 1131004234 is about 1041.8888977147. Note that the first 4 decimals are identical.

Adding to 1131004234 its reverse (4324001311), we get a palindrome (5455005545).

The spelling of 1131004234 in words is "one billion, one hundred thirty-one million, four thousand, two hundred thirty-four".