1122455567887 has 4 divisors (see below), whose sum is σ = 1188482366016. Its totient is φ = 1056428769760.

The previous prime is 1122455567869. The next prime is 1122455567923. The reversal of 1122455567887 is 7887655542211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122455567887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122455567587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33013399039 + ... + 33013399072.

It is an arithmetic number, because the mean of its divisors is an integer number (297120591504).

Almost surely, 2^{1122455567887} is an apocalyptic number.

1122455567887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1122455567887 is a deficient number, since it is larger than the sum of its proper divisors (66026798129).

1122455567887 is an equidigital number, since it uses as much as digits as its factorization.

1122455567887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66026798128.

The product of its digits is 37632000, while the sum is 61.

The spelling of 1122455567887 in words is "one trillion, one hundred twenty-two billion, four hundred fifty-five million, five hundred sixty-seven thousand, eight hundred eighty-seven".