1122201123 has 16 divisors (see below), whose sum is σ = 1579585920. Its totient is φ = 706703616.

The previous prime is 1122201121. The next prime is 1122201131. The reversal of 1122201123 is 3211022211.

It is not a de Polignac number, because 1122201123 - 2¹ = 1122201121 is a prime.

It is a super-4 number, since 4×1122201123⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1122201121) 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, 8590 + ... + 48147.

It is an arithmetic number, because the mean of its divisors is an integer number (98724120).

Almost surely, 2^1122201123 is an apocalyptic number.

1122201123 is a deficient number, since it is larger than the sum of its proper divisors (457384797).

1122201123 is a wasteful number, since it uses less digits than its factorization.

1122201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57106.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1122201123 is about 33499.2704845941. The cubic root of 1122201123 is about 1039.1786917427.

Adding to 1122201123 its reverse (3211022211), we get a palindrome (4333223334).

The spelling of 1122201123 in words is "one billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-three".