1122352121 has 16 divisors (see below), whose sum is σ = 1298654208. Its totient is φ = 958636800.

The previous prime is 1122352079. The next prime is 1122352139. The reversal of 1122352121 is 1212532211.

It is a de Polignac number, because none of the positive numbers 2^k-1122352121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122352093 and 1122352102.

It is not an unprimeable number, because it can be changed into a prime (1122352141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109736 + ... + 119526.

It is an arithmetic number, because the mean of its divisors is an integer number (81165888).

Almost surely, 2^1122352121 is an apocalyptic number.

1122352121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122352121 is a deficient number, since it is larger than the sum of its proper divisors (176302087).

1122352121 is a wasteful number, since it uses less digits than its factorization.

1122352121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432.

The product of its digits is 240, while the sum is 20.

The square root of 1122352121 is about 33501.5241593573. The cubic root of 1122352121 is about 1039.2252986190.

Adding to 1122352121 its reverse (1212532211), we get a palindrome (2334884332).

The spelling of 1122352121 in words is "one billion, one hundred twenty-two million, three hundred fifty-two thousand, one hundred twenty-one".