122234561 has 4 divisors (see below), whose sum is σ = 122329392. Its totient is φ = 122139732.

The previous prime is 122234557. The next prime is 122234603. The reversal of 122234561 is 165432221.

It is a happy number.

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 122234561 - 2² = 122234557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122234561.

It is not an unprimeable number, because it can be changed into a prime (122234501) 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, 45455 + ... + 48068.

It is an arithmetic number, because the mean of its divisors is an integer number (30582348).

Almost surely, 2^122234561 is an apocalyptic number.

It is an amenable number.

122234561 is a deficient number, since it is larger than the sum of its proper divisors (94831).

122234561 is an equidigital number, since it uses as much as digits as its factorization.

122234561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94830.

The product of its digits is 2880, while the sum is 26.

The square root of 122234561 is about 11055.9739959897. The cubic root of 122234561 is about 496.2852171265.

Adding to 122234561 its reverse (165432221), we get a palindrome (287666782).

The spelling of 122234561 in words is "one hundred twenty-two million, two hundred thirty-four thousand, five hundred sixty-one".