122412961 has 4 divisors (see below), whose sum is σ = 133541424. Its totient is φ = 111284500.

The previous prime is 122412943. The next prime is 122412967. The reversal of 122412961 is 169214221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169214221 = 11 ⋅15383111.

It is a cyclic number.

It is not a de Polignac number, because 122412961 - 2⁵ = 122412929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122412967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564215 + ... + 5564236.

It is an arithmetic number, because the mean of its divisors is an integer number (33385356).

Almost surely, 2^122412961 is an apocalyptic number.

122412961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122412961 is a deficient number, since it is larger than the sum of its proper divisors (11128463).

122412961 is a wasteful number, since it uses less digits than its factorization.

122412961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128462.

The product of its digits is 1728, while the sum is 28.

The square root of 122412961 is about 11064.0390906757. The cubic root of 122412961 is about 496.5265407037.

The spelling of 122412961 in words is "one hundred twenty-two million, four hundred twelve thousand, nine hundred sixty-one".