122124617 has 4 divisors (see below), whose sum is σ = 129308436. Its totient is φ = 114940800.

The previous prime is 122124589. The next prime is 122124671. The reversal of 122124617 is 716421221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716421221 = 439 ⋅1631939.

It can be written as a sum of positive squares in 2 ways, for example, as 95043001 + 27081616 = 9749^2 + 5204^2 .

It is a cyclic number.

It is not a de Polignac number, because 122124617 - 2¹² = 122120521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122124697) 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, 3591884 + ... + 3591917.

It is an arithmetic number, because the mean of its divisors is an integer number (32327109).

Almost surely, 2^122124617 is an apocalyptic number.

122124617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122124617 is a deficient number, since it is larger than the sum of its proper divisors (7183819).

122124617 is an equidigital number, since it uses as much as digits as its factorization.

122124617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183818.

The product of its digits is 1344, while the sum is 26.

The square root of 122124617 is about 11051.0007239164. Note that the first 3 decimals coincide. The cubic root of 122124617 is about 496.1363777455.

Adding to 122124617 its reverse (716421221), we get a palindrome (838545838).

The spelling of 122124617 in words is "one hundred twenty-two million, one hundred twenty-four thousand, six hundred seventeen".