1122554811 has 16 divisors (see below), whose sum is σ = 1716069888. Its totient is φ = 639393600.

The previous prime is 1122554791. The next prime is 1122554833. The reversal of 1122554811 is 1184552211.

It is not a de Polignac number, because 1122554811 - 2¹¹ = 1122552763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122554611) 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, 79410 + ... + 92471.

It is an arithmetic number, because the mean of its divisors is an integer number (107254368).

Almost surely, 2^1122554811 is an apocalyptic number.

1122554811 is a deficient number, since it is larger than the sum of its proper divisors (593515077).

1122554811 is a wasteful number, since it uses less digits than its factorization.

1122554811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172202.

The product of its digits is 3200, while the sum is 30.

The square root of 1122554811 is about 33504.5491090389. The cubic root of 1122554811 is about 1039.2878541197.

The spelling of 1122554811 in words is "one billion, one hundred twenty-two million, five hundred fifty-four thousand, eight hundred eleven".