123102151 has 6 divisors (see below), whose sum is σ = 130769720. Its totient is φ = 115860576.

The previous prime is 123102149. The next prime is 123102167. The reversal of 123102151 is 151201321.

It is not a de Polignac number, because 123102151 - 2¹ = 123102149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212691 + ... + 213268.

Almost surely, 2^123102151 is an apocalyptic number.

123102151 is a deficient number, since it is larger than the sum of its proper divisors (7667569).

123102151 is an equidigital number, since it uses as much as digits as its factorization.

123102151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425993 (or 425976 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 123102151 is about 11095.1408733734. The cubic root of 123102151 is about 497.4566190299.

Adding to 123102151 its reverse (151201321), we get a palindrome (274303472).

The spelling of 123102151 in words is "one hundred twenty-three million, one hundred two thousand, one hundred fifty-one".