1122312003 has 16 divisors (see below), whose sum is σ = 1545716736. Its totient is φ = 723589920.

The previous prime is 1122311987. The next prime is 1122312049. The reversal of 1122312003 is 3002132211.

It is not a de Polignac number, because 1122312003 - 2⁴ = 1122311987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122312053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182700 + ... + 188742.

It is an arithmetic number, because the mean of its divisors is an integer number (96607296).

Almost surely, 2^1122312003 is an apocalyptic number.

1122312003 is a deficient number, since it is larger than the sum of its proper divisors (423404733).

1122312003 is a wasteful number, since it uses less digits than its factorization.

1122312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1122312003 is about 33500.9254051287. The cubic root of 1122312003 is about 1039.2129162491.

Adding to 1122312003 its reverse (3002132211), we get a palindrome (4124444214).

The spelling of 1122312003 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, three".