123486071 has 4 divisors (see below), whose sum is σ = 124374600. Its totient is φ = 122597544.

The previous prime is 123486059. The next prime is 123486091. The reversal of 123486071 is 170684321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170684321 = 3889 ⋅43889.

It is a cyclic number.

It is not a de Polignac number, because 123486071 - 2⁶ = 123486007 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 (123486091) 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 3 ways as a sum of consecutive naturals, for example, 444056 + ... + 444333.

It is an arithmetic number, because the mean of its divisors is an integer number (31093650).

Almost surely, 2^123486071 is an apocalyptic number.

123486071 is a deficient number, since it is larger than the sum of its proper divisors (888529).

123486071 is an equidigital number, since it uses as much as digits as its factorization.

123486071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888528.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 123486071 is about 11112.4286724370. The cubic root of 123486071 is about 497.9732234545.

The spelling of 123486071 in words is "one hundred twenty-three million, four hundred eighty-six thousand, seventy-one".