122433964561 has 4 divisors (see below), whose sum is σ = 122517197824. Its totient is φ = 122350731300.

The previous prime is 122433964459. The next prime is 122433964567. The reversal of 122433964561 is 165469334221.

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 122433964561 - 2²¹ = 122431867409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122433964567) 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, 41614425 + ... + 41617366.

It is an arithmetic number, because the mean of its divisors is an integer number (30629299456).

Almost surely, 2^122433964561 is an apocalyptic number.

It is an amenable number.

122433964561 is a deficient number, since it is larger than the sum of its proper divisors (83233263).

122433964561 is an equidigital number, since it uses as much as digits as its factorization.

122433964561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83233262.

The product of its digits is 933120, while the sum is 46.

The spelling of 122433964561 in words is "one hundred twenty-two billion, four hundred thirty-three million, nine hundred sixty-four thousand, five hundred sixty-one".