123148051 has 16 divisors (see below), whose sum is σ = 143857728. Its totient is φ = 104371200.

The previous prime is 123148031. The next prime is 123148057. The reversal of 123148051 is 150841321.

It is a 10-Lehmer number, since φ(123148051) divides (123148051-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 123148051 - 2⁵ = 123148019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123148057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266 + ... + 15856.

It is an arithmetic number, because the mean of its divisors is an integer number (8991108).

Almost surely, 2^123148051 is an apocalyptic number.

123148051 is the 9061-st pentagonal number.

123148051 is a deficient number, since it is larger than the sum of its proper divisors (20709677).

123148051 is a wasteful number, since it uses less digits than its factorization.

123148051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 123148051 is about 11097.2091536566. The cubic root of 123148051 is about 497.5184387499.

Adding to 123148051 its reverse (150841321), we get a palindrome (273989372).

The spelling of 123148051 in words is "one hundred twenty-three million, one hundred forty-eight thousand, fifty-one".