1122105253 has 16 divisors (see below), whose sum is σ = 1191079296. Its totient is φ = 1055678400.

The previous prime is 1122105251. The next prime is 1122105317. The reversal of 1122105253 is 3525012211.

It is a cyclic number.

It is not a de Polignac number, because 1122105253 - 2¹ = 1122105251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122105251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157200 + ... + 164182.

It is an arithmetic number, because the mean of its divisors is an integer number (74442456).

Almost surely, 2^1122105253 is an apocalyptic number.

It is an amenable number.

1122105253 is a deficient number, since it is larger than the sum of its proper divisors (68974043).

1122105253 is a wasteful number, since it uses less digits than its factorization.

1122105253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1122105253 is about 33497.8395273486. The cubic root of 1122105253 is about 1039.1490984442.

Adding to 1122105253 its reverse (3525012211), we get a palindrome (4647117464).

The spelling of 1122105253 in words is "one billion, one hundred twenty-two million, one hundred five thousand, two hundred fifty-three".