122445105 has 64 divisors (see below), whose sum is σ = 212751360. Its totient is φ = 60010496.

The previous prime is 122445097. The next prime is 122445107. The reversal of 122445105 is 501544221.

It is a cyclic number.

It is not a de Polignac number, because 122445105 - 2³ = 122445097 is a prime.

It is a super-2 number, since 2×122445105² = 29985607476922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122445107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1083529 + ... + 1083641.

It is an arithmetic number, because the mean of its divisors is an integer number (3324240).

Almost surely, 2^122445105 is an apocalyptic number.

122445105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122445105 is a deficient number, since it is larger than the sum of its proper divisors (90306255).

122445105 is a wasteful number, since it uses less digits than its factorization.

122445105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 122445105 is about 11065.4916293855. The cubic root of 122445105 is about 496.5699973012.

Adding to 122445105 its reverse (501544221), we get a palindrome (623989326).

The spelling of 122445105 in words is "one hundred twenty-two million, four hundred forty-five thousand, one hundred five".