123271241 has 2 divisors, whose sum is σ = 123271242. Its totient is φ = 123271240.

The previous prime is 123271201. The next prime is 123271243. The reversal of 123271241 is 142172321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116532025 + 6739216 = 10795^2 + 2596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123271241 is a prime.

Together with 123271243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123271243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61635620 + 61635621.

It is an arithmetic number, because the mean of its divisors is an integer number (61635621).

Almost surely, 2^123271241 is an apocalyptic number.

It is an amenable number.

123271241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123271241 is an equidigital number, since it uses as much as digits as its factorization.

123271241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 123271241 is about 11102.7582609008. The cubic root of 123271241 is about 497.6842794341.

The spelling of 123271241 in words is "one hundred twenty-three million, two hundred seventy-one thousand, two hundred forty-one".