123057271 has 16 divisors (see below), whose sum is σ = 135260928. Its totient is φ = 111484800.

The previous prime is 123057269. The next prime is 123057287. The reversal of 123057271 is 172750321.

It is a cyclic number.

It is not a de Polignac number, because 123057271 - 2¹ = 123057269 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 (123057371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50716 + ... + 53086.

It is an arithmetic number, because the mean of its divisors is an integer number (8453808).

Almost surely, 2^123057271 is an apocalyptic number.

123057271 is a deficient number, since it is larger than the sum of its proper divisors (12203657).

123057271 is a wasteful number, since it uses less digits than its factorization.

123057271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 123057271 is about 11093.1181820082. The cubic root of 123057271 is about 497.3961582214.

The spelling of 123057271 in words is "one hundred twenty-three million, fifty-seven thousand, two hundred seventy-one".