122566841 has 4 divisors (see below), whose sum is σ = 124118400. Its totient is φ = 121015284.

The previous prime is 122566831. The next prime is 122566877. The reversal of 122566841 is 148665221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122566841 - 2¹⁸ = 122304697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122566831) 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, 775661 + ... + 775818.

It is an arithmetic number, because the mean of its divisors is an integer number (31029600).

Almost surely, 2^122566841 is an apocalyptic number.

It is an amenable number.

122566841 is a deficient number, since it is larger than the sum of its proper divisors (1551559).

122566841 is an equidigital number, since it uses as much as digits as its factorization.

122566841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551558.

The product of its digits is 23040, while the sum is 35.

The square root of 122566841 is about 11070.9909673886. The cubic root of 122566841 is about 496.7345075466.

The spelling of 122566841 in words is "one hundred twenty-two million, five hundred sixty-six thousand, eight hundred forty-one".