122144105040154 has 16 divisors (see below), whose sum is σ = 183679062466248. Its totient is φ = 60917753236032.

The previous prime is 122144105040137. The next prime is 122144105040173. The reversal of 122144105040154 is 451040501441221.

It can be written as a sum of positive squares in 4 ways, for example, as 120187259370025 + 1956845670129 = 10962995^2 + 1398873^2 .

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, 118629484 + ... + 119654680.

Almost surely, 2^{122144105040154} is an apocalyptic number.

122144105040154 is a deficient number, since it is larger than the sum of its proper divisors (61534957426094).

122144105040154 is a wasteful number, since it uses less digits than its factorization.

122144105040154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175649.

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 122144105040154 its reverse (451040501441221), we get a palindrome (573184606481375).

The spelling of 122144105040154 in words is "one hundred twenty-two trillion, one hundred forty-four billion, one hundred five million, forty thousand, one hundred fifty-four".