1223052410889 has 27 divisors (see below), whose sum is σ = 1808882157927. Its totient is φ = 796313324016.

The previous prime is 1223052410869. The next prime is 1223052410959. The reversal of 1223052410889 is 9880142503221.

The square root of 1223052410889 is 1105917.

It is a perfect power (a square), and thus also a powerful number.

1223052410889 is a `hidden beast` number, since 1 + 2 + 2 + 30 + 524 + 10 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 395483765625 + 827568645264 = 628875^2 + 909708^2 .

It is not a de Polignac number, because 1223052410889 - 2¹⁹ = 1223051886601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223052410849) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 142659007 + ... + 142667579.

Almost surely, 2^{1223052410889} is an apocalyptic number.

1223052410889 is the 1105917-th square number.

1223052410889 is the 552959-th centered octagonal number.

It is an amenable number.

1223052410889 is a deficient number, since it is larger than the sum of its proper divisors (585829747038).

1223052410889 is an frugal number, since it uses more digits than its factorization.

1223052410889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 8619 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1223052410889 in words is "one trillion, two hundred twenty-three billion, fifty-two million, four hundred ten thousand, eight hundred eighty-nine".