1122003213 has 32 divisors (see below), whose sum is σ = 1609517952. Its totient is φ = 692736000.

The previous prime is 1122003199. The next prime is 1122003221. The reversal of 1122003213 is 3123002211.

It is not a de Polignac number, because 1122003213 - 2⁶ = 1122003149 is a prime.

1122003213 is a modest number, since divided by 3213 gives 1122 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1122003192 and 1122003201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122003293) 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, 1697103 + ... + 1697763.

It is an arithmetic number, because the mean of its divisors is an integer number (50297436).

Almost surely, 2^1122003213 is an apocalyptic number.

It is an amenable number.

1122003213 is a deficient number, since it is larger than the sum of its proper divisors (487514739).

1122003213 is a wasteful number, since it uses less digits than its factorization.

1122003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

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

The square root of 1122003213 is about 33496.3164094203. The cubic root of 1122003213 is about 1039.1175987288.

Adding to 1122003213 its reverse (3123002211), we get a palindrome (4245005424).

The spelling of 1122003213 in words is "one billion, one hundred twenty-two million, three thousand, two hundred thirteen".