1131122003 has 32 divisors (see below), whose sum is σ = 1349913600. Its totient is φ = 936230400.

The previous prime is 1131121993. The next prime is 1131122011. The reversal of 1131122003 is 3002211311.

It is a cyclic number.

It is not a de Polignac number, because 1131122003 - 2⁴ = 1131121987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131122023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2612075 + ... + 2612507.

It is an arithmetic number, because the mean of its divisors is an integer number (42184800).

Almost surely, 2^1131122003 is an apocalyptic number.

1131122003 is a deficient number, since it is larger than the sum of its proper divisors (218791597).

1131122003 is a wasteful number, since it uses less digits than its factorization.

1131122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1131122003 is about 33632.1572754410. The cubic root of 1131122003 is about 1041.9250596645.

Adding to 1131122003 its reverse (3002211311), we get a palindrome (4133333314).

The spelling of 1131122003 in words is "one billion, one hundred thirty-one million, one hundred twenty-two thousand, three".