1122563665 has 8 divisors (see below), whose sum is σ = 1349124480. Its totient is φ = 896685552.

The previous prime is 1122563657. The next prime is 1122563749. The reversal of 1122563665 is 5663652211.

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 1122563665 - 2³ = 1122563657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167049 + ... + 173638.

It is an arithmetic number, because the mean of its divisors is an integer number (168640560).

Almost surely, 2^1122563665 is an apocalyptic number.

It is an amenable number.

1122563665 is a deficient number, since it is larger than the sum of its proper divisors (226560815).

1122563665 is an equidigital number, since it uses as much as digits as its factorization.

1122563665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341351.

The product of its digits is 64800, while the sum is 37.

The square root of 1122563665 is about 33504.6812400894. The cubic root of 1122563665 is about 1039.2905865269.

It can be divided in two parts, 112256 and 3665, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 1122563665 in words is "one billion, one hundred twenty-two million, five hundred sixty-three thousand, six hundred sixty-five".