123067261 has 2 divisors, whose sum is σ = 123067262. Its totient is φ = 123067260.

The previous prime is 123067253. The next prime is 123067289. The reversal of 123067261 is 162760321.

It is an a-pointer prime, because the next prime (123067289) can be obtained adding 123067261 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112763161 + 10304100 = 10619^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 123067261 - 2³ = 123067253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123067201) 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 as a sum of consecutive naturals, namely, 61533630 + 61533631.

It is an arithmetic number, because the mean of its divisors is an integer number (61533631).

Almost surely, 2^123067261 is an apocalyptic number.

It is an amenable number.

123067261 is a deficient number, since it is larger than the sum of its proper divisors (1).

123067261 is an equidigital number, since it uses as much as digits as its factorization.

123067261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 123067261 is about 11093.5684520356. The cubic root of 123067261 is about 497.4096176811.

The spelling of 123067261 in words is "one hundred twenty-three million, sixty-seven thousand, two hundred sixty-one".