122105415 has 8 divisors (see below), whose sum is σ = 195368688. Its totient is φ = 65122880.

The previous prime is 122105393. The next prime is 122105429. The reversal of 122105415 is 514501221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122105415 - 2⁵ = 122105383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122105391 and 122105400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4070166 + ... + 4070195.

It is an arithmetic number, because the mean of its divisors is an integer number (24421086).

Almost surely, 2^122105415 is an apocalyptic number.

122105415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122105415 is a deficient number, since it is larger than the sum of its proper divisors (73263273).

122105415 is an equidigital number, since it uses as much as digits as its factorization.

122105415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140369.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 122105415 is about 11050.1318996653. The cubic root of 122105415 is about 496.1103734058.

Adding to 122105415 its reverse (514501221), we get a palindrome (636606636).

The spelling of 122105415 in words is "one hundred twenty-two million, one hundred five thousand, four hundred fifteen".