122892563 has 4 divisors (see below), whose sum is σ = 123037488. Its totient is φ = 122747640.

The previous prime is 122892547. The next prime is 122892599. The reversal of 122892563 is 365298221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365298221 = 367 ⋅995363.

It is a cyclic number.

It is not a de Polignac number, because 122892563 - 2⁴ = 122892547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122892533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71183 + ... + 72888.

It is an arithmetic number, because the mean of its divisors is an integer number (30759372).

Almost surely, 2^122892563 is an apocalyptic number.

122892563 is a deficient number, since it is larger than the sum of its proper divisors (144925).

122892563 is an equidigital number, since it uses as much as digits as its factorization.

122892563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144924.

The product of its digits is 51840, while the sum is 38.

The square root of 122892563 is about 11085.6918142261. The cubic root of 122892563 is about 497.1741431539.

It can be divided in two parts, 122892 and 563, that multiplied together give a palindrome (69188196).

The spelling of 122892563 in words is "one hundred twenty-two million, eight hundred ninety-two thousand, five hundred sixty-three".