123827261 has 2 divisors, whose sum is σ = 123827262. Its totient is φ = 123827260.

The previous prime is 123827233. The next prime is 123827273. The reversal of 123827261 is 162728321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111619225 + 12208036 = 10565^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 123827261 - 2¹⁰ = 123826237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123827761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61913630 + 61913631.

It is an arithmetic number, because the mean of its divisors is an integer number (61913631).

Almost surely, 2^123827261 is an apocalyptic number.

It is an amenable number.

123827261 is a deficient number, since it is larger than the sum of its proper divisors (1).

123827261 is an equidigital number, since it uses as much as digits as its factorization.

123827261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123827261 is about 11127.7698125006. The cubic root of 123827261 is about 498.4314323367.

The spelling of 123827261 in words is "one hundred twenty-three million, eight hundred twenty-seven thousand, two hundred sixty-one".