105122131522 has 8 divisors (see below), whose sum is σ = 158028238476. Its totient is φ = 52446052032.

The previous prime is 105122131501. The next prime is 105122131561. The reversal of 105122131522 is 225131221501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103413053241 + 1709078281 = 321579^2 + 41341^2 .

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

It is a super-2 number, since 2×105122131522² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 57505723 + ... + 57507550.

Almost surely, 2^105122131522 is an apocalyptic number.

105122131522 is a deficient number, since it is larger than the sum of its proper divisors (52906106954).

105122131522 is a wasteful number, since it uses less digits than its factorization.

105122131522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115013732.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 105122131522 in words is "one hundred five billion, one hundred twenty-two million, one hundred thirty-one thousand, five hundred twenty-two".