1122511745 has 4 divisors (see below), whose sum is σ = 1347014100. Its totient is φ = 898009392.

The previous prime is 1122511727. The next prime is 1122511759. The reversal of 1122511745 is 5471152211.

1122511745 is nontrivially palindromic in base 4.

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 885598081 + 236913664 = 29759^2 + 15392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122511745 - 2¹⁶ = 1122446209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112251170 + ... + 112251179.

It is an arithmetic number, because the mean of its divisors is an integer number (336753525).

Almost surely, 2^1122511745 is an apocalyptic number.

It is an amenable number.

1122511745 is a deficient number, since it is larger than the sum of its proper divisors (224502355).

1122511745 is an equidigital number, since it uses as much as digits as its factorization.

1122511745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224502354.

The product of its digits is 2800, while the sum is 29.

The square root of 1122511745 is about 33503.9064140288. The cubic root of 1122511745 is about 1039.2745634419.

Adding to 1122511745 its reverse (5471152211), we get a palindrome (6593663956).

The spelling of 1122511745 in words is "one billion, one hundred twenty-two million, five hundred eleven thousand, seven hundred forty-five".