122512106 has 8 divisors (see below), whose sum is σ = 188734980. Its totient is φ = 59600448.

The previous prime is 122512087. The next prime is 122512147. The reversal of 122512106 is 601215221.

It can be written as a sum of positive squares in 2 ways, for example, as 117180625 + 5331481 = 10825^2 + 2309^2 .

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

It is a super-2 number, since 2×122512106² = 30018432233110472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827711 + ... + 827858.

Almost surely, 2^122512106 is an apocalyptic number.

122512106 is a deficient number, since it is larger than the sum of its proper divisors (66222874).

122512106 is a wasteful number, since it uses less digits than its factorization.

122512106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655608.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 122512106 is about 11068.5186904120. The cubic root of 122512106 is about 496.6605538538.

Adding to 122512106 its reverse (601215221), we get a palindrome (723727327).

It can be divided in two parts, 1225 and 12106, that added together give a palindrome (13331).

The spelling of 122512106 in words is "one hundred twenty-two million, five hundred twelve thousand, one hundred six".