1122124321 has 8 divisors (see below), whose sum is σ = 1210550184. Its totient is φ = 1036189440.

The previous prime is 1122124307. The next prime is 1122124327. The reversal of 1122124321 is 1234212211.

It can be written as a sum of positive squares in 4 ways, for example, as 137733696 + 984390625 = 11736^2 + 31375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122124321 - 2¹³ = 1122116129 is a prime.

It is a super-2 number, since 2×1122124321² = 2518325983559422082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122124327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621810 + ... + 623611.

It is an arithmetic number, because the mean of its divisors is an integer number (151318773).

Almost surely, 2^1122124321 is an apocalyptic number.

It is an amenable number.

1122124321 is a deficient number, since it is larger than the sum of its proper divisors (88425863).

1122124321 is a wasteful number, since it uses less digits than its factorization.

1122124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245491.

The product of its digits is 192, while the sum is 19.

The square root of 1122124321 is about 33498.1241415098. The cubic root of 1122124321 is about 1039.1549845179.

Adding to 1122124321 its reverse (1234212211), we get a palindrome (2356336532).

The spelling of 1122124321 in words is "one billion, one hundred twenty-two million, one hundred twenty-four thousand, three hundred twenty-one".