123001420552105 has 16 divisors (see below), whose sum is σ = 147655888692480. Its totient is φ = 98365016141568.

The previous prime is 123001420552099. The next prime is 123001420552117. The reversal of 123001420552105 is 501255024100321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123001420552105 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464850481 + ... + 465115009.

It is an arithmetic number, because the mean of its divisors is an integer number (9228493043280).

Almost surely, 2^{123001420552105} is an apocalyptic number.

It is an amenable number.

123001420552105 is a deficient number, since it is larger than the sum of its proper divisors (24654468140375).

123001420552105 is a wasteful number, since it uses less digits than its factorization.

123001420552105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298320.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 123001420552105 its reverse (501255024100321), we get a palindrome (624256444652426).

The spelling of 123001420552105 in words is "one hundred twenty-three trillion, one billion, four hundred twenty million, five hundred fifty-two thousand, one hundred five".