1122887155 has 8 divisors (see below), whose sum is σ = 1451115792. Its totient is φ = 829208928.

The previous prime is 1122887147. The next prime is 1122887167. The reversal of 1122887155 is 5517882211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122887155 - 2³ = 1122887147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8637529 + ... + 8637658.

It is an arithmetic number, because the mean of its divisors is an integer number (181389474).

Almost surely, 2^1122887155 is an apocalyptic number.

1122887155 is a deficient number, since it is larger than the sum of its proper divisors (328228637).

1122887155 is a wasteful number, since it uses less digits than its factorization.

1122887155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17275205.

The product of its digits is 44800, while the sum is 40.

The square root of 1122887155 is about 33509.5084267138. The cubic root of 1122887155 is about 1039.3904079841.

The spelling of 1122887155 in words is "one billion, one hundred twenty-two million, eight hundred eighty-seven thousand, one hundred fifty-five".