1122513213 has 16 divisors (see below), whose sum is σ = 1585707840. Its totient is φ = 703885056.

The previous prime is 1122513187. The next prime is 1122513221. The reversal of 1122513213 is 3123152211.

It is not a de Polignac number, because 1122513213 - 2¹⁰ = 1122512189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122513213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122513233) 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, 89323 + ... + 101111.

It is an arithmetic number, because the mean of its divisors is an integer number (99106740).

Almost surely, 2^1122513213 is an apocalyptic number.

It is an amenable number.

1122513213 is a deficient number, since it is larger than the sum of its proper divisors (463194627).

1122513213 is a wasteful number, since it uses less digits than its factorization.

1122513213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676.

The product of its digits is 360, while the sum is 21.

The square root of 1122513213 is about 33503.9283219147. The cubic root of 1122513213 is about 1039.2750164897.

Adding to 1122513213 its reverse (3123152211), we get a palindrome (4245665424).

The spelling of 1122513213 in words is "one billion, one hundred twenty-two million, five hundred thirteen thousand, two hundred thirteen".