1122186245 has 4 divisors (see below), whose sum is σ = 1346623500. Its totient is φ = 897748992.

The previous prime is 1122186223. The next prime is 1122186251. The reversal of 1122186245 is 5426812211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5426812211 = 23 ⋅235948357.

It can be written as a sum of positive squares in 2 ways, for example, as 871312324 + 250873921 = 29518^2 + 15839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122186245 - 2⁶ = 1122186181 is a prime.

It is a congruent number.

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, 112218620 + ... + 112218629.

It is an arithmetic number, because the mean of its divisors is an integer number (336655875).

Almost surely, 2^1122186245 is an apocalyptic number.

It is an amenable number.

1122186245 is a deficient number, since it is larger than the sum of its proper divisors (224437255).

1122186245 is an equidigital number, since it uses as much as digits as its factorization.

1122186245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224437254.

The product of its digits is 7680, while the sum is 32.

The square root of 1122186245 is about 33499.0484193208. The cubic root of 1122186245 is about 1039.1740992893.

Adding to 1122186245 its reverse (5426812211), we get a palindrome (6548998456).

The spelling of 1122186245 in words is "one billion, one hundred twenty-two million, one hundred eighty-six thousand, two hundred forty-five".