122435154640165 has 16 divisors (see below), whose sum is σ = 147244952263680. Its totient is φ = 97732949627520.

The previous prime is 122435154640103. The next prime is 122435154640223. The reversal of 122435154640165 is 561046451534221.

It is not a de Polignac number, because 122435154640165 - 2¹³ = 122435154631973 is a prime.

It is a super-2 number, since 2×122435154640165² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501844560 + ... + 502088470.

It is an arithmetic number, because the mean of its divisors is an integer number (9202809516480).

Almost surely, 2^{122435154640165} is an apocalyptic number.

It is an amenable number.

122435154640165 is a deficient number, since it is larger than the sum of its proper divisors (24809797623515).

122435154640165 is a wasteful number, since it uses less digits than its factorization.

122435154640165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464052.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 122435154640165 in words is "one hundred twenty-two trillion, four hundred thirty-five billion, one hundred fifty-four million, six hundred forty thousand, one hundred sixty-five".