1122165253 has 6 divisors (see below), whose sum is σ = 1233454502. Its totient is φ = 1020150120.

The previous prime is 1122165181. The next prime is 1122165259. The reversal of 1122165253 is 3525612211.

It can be written as a sum of positive squares in only one way, i.e., 781873444 + 340291809 = 27962^2 + 18447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1122165253 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 (1122165259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4636926 + ... + 4637167.

Almost surely, 2^1122165253 is an apocalyptic number.

It is an amenable number.

1122165253 is a deficient number, since it is larger than the sum of its proper divisors (111289249).

1122165253 is an equidigital number, since it uses as much as digits as its factorization.

1122165253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274115 (or 9274104 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1122165253 is about 33498.7350955226. The cubic root of 1122165253 is about 1039.1676195334.

Adding to 1122165253 its reverse (3525612211), we get a palindrome (4647777464).

It can be divided in two parts, 1122 and 165253, that added together give a cube (166375 = 55³).

The spelling of 1122165253 in words is "one billion, one hundred twenty-two million, one hundred sixty-five thousand, two hundred fifty-three".