123285071 has 16 divisors (see below), whose sum is σ = 160663104. Its totient is φ = 91805184.

The previous prime is 123285031. The next prime is 123285103. The reversal of 123285071 is 170582321.

It is a cyclic number.

It is not a de Polignac number, because 123285071 - 2¹⁰ = 123284047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123285011) 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, 38300 + ... + 41393.

It is an arithmetic number, because the mean of its divisors is an integer number (10041444).

Almost surely, 2^123285071 is an apocalyptic number.

123285071 is a deficient number, since it is larger than the sum of its proper divisors (37378033).

123285071 is a wasteful number, since it uses less digits than its factorization.

123285071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79730.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 123285071 is about 11103.3810616406. The cubic root of 123285071 is about 497.7028907397.

The spelling of 123285071 in words is "one hundred twenty-three million, two hundred eighty-five thousand, seventy-one".