123055101 has 24 divisors (see below), whose sum is σ = 191880416. Its totient is φ = 75543840.

The previous prime is 123055087. The next prime is 123055109. The reversal of 123055101 is 101550321.

It is not a de Polignac number, because 123055101 - 2¹⁰ = 123054077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60186 + ... + 62196.

Almost surely, 2^123055101 is an apocalyptic number.

It is an amenable number.

123055101 is a deficient number, since it is larger than the sum of its proper divisors (68825315).

123055101 is a wasteful number, since it uses less digits than its factorization.

123055101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 123055101 is about 11093.0203731896. The cubic root of 123055101 is about 497.3932344987.

The spelling of 123055101 in words is "one hundred twenty-three million, fifty-five thousand, one hundred one".