1122112153 has 4 divisors (see below), whose sum is σ = 1123182900. Its totient is φ = 1121041408.

The previous prime is 1122112151. The next prime is 1122112193. The reversal of 1122112153 is 3512112211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 913973824 + 208138329 = 30232^2 + 14427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122112153 - 2¹ = 1122112151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122112153.

It is not an unprimeable number, because it can be changed into a prime (1122112151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533800 + ... + 535897.

It is an arithmetic number, because the mean of its divisors is an integer number (280795725).

Almost surely, 2^1122112153 is an apocalyptic number.

It is an amenable number.

1122112153 is a deficient number, since it is larger than the sum of its proper divisors (1070747).

1122112153 is a wasteful number, since it uses less digits than its factorization.

1122112153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070746.

The product of its digits is 120, while the sum is 19.

The square root of 1122112153 is about 33497.9425189070. The cubic root of 1122112153 is about 1039.1512284030.

Adding to 1122112153 its reverse (3512112211), we get a palindrome (4634224364).

The spelling of 1122112153 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred fifty-three".