1122666655 has 32 divisors (see below), whose sum is σ = 1562027328. Its totient is φ = 765542400.

The previous prime is 1122666641. The next prime is 1122666683. The reversal of 1122666655 is 5566662211.

It is not a de Polignac number, because 1122666655 - 2⁷ = 1122666527 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260599 + ... + 264871.

It is an arithmetic number, because the mean of its divisors is an integer number (48813354).

Almost surely, 2^1122666655 is an apocalyptic number.

1122666655 is a deficient number, since it is larger than the sum of its proper divisors (439360673).

1122666655 is a wasteful number, since it uses less digits than its factorization.

1122666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587.

The product of its digits is 129600, while the sum is 40.

The square root of 1122666655 is about 33506.2181542471. The cubic root of 1122666655 is about 1039.3223689156.

The spelling of 1122666655 in words is "one billion, one hundred twenty-two million, six hundred sixty-six thousand, six hundred fifty-five".