123066751 has 2 divisors, whose sum is σ = 123066752. Its totient is φ = 123066750.

The previous prime is 123066719. The next prime is 123066761. The reversal of 123066751 is 157660321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123066751 - 2⁵ = 123066719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123066701) 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, 61533375 + 61533376.

It is an arithmetic number, because the mean of its divisors is an integer number (61533376).

Almost surely, 2^123066751 is an apocalyptic number.

123066751 is a deficient number, since it is larger than the sum of its proper divisors (1).

123066751 is an equidigital number, since it uses as much as digits as its factorization.

123066751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 123066751 is about 11093.5454657201. The cubic root of 123066751 is about 497.4089305792.

The spelling of 123066751 in words is "one hundred twenty-three million, sixty-six thousand, seven hundred fifty-one".