1131043036 has 12 divisors (see below), whose sum is σ = 2047578120. Its totient is φ = 546020720.

The previous prime is 1131043019. The next prime is 1131043073. The reversal of 1131043036 is 6303401311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1131042998 and 1131043016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875070 + ... + 4875301.

It is an arithmetic number, because the mean of its divisors is an integer number (170631510).

Almost surely, 2^1131043036 is an apocalyptic number.

It is an amenable number.

1131043036 is a deficient number, since it is larger than the sum of its proper divisors (916535084).

1131043036 is a wasteful number, since it uses less digits than its factorization.

1131043036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9750404 (or 9750402 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1131043036 is about 33630.9832743558. The cubic root of 1131043036 is about 1041.9008124684.

Adding to 1131043036 its reverse (6303401311), we get a palindrome (7434444347).

The spelling of 1131043036 in words is "one billion, one hundred thirty-one million, forty-three thousand, thirty-six".