123058729 has 2 divisors, whose sum is σ = 123058730. Its totient is φ = 123058728.

The previous prime is 123058709. The next prime is 123058783. The reversal of 123058729 is 927850321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122146704 + 912025 = 11052^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 123058729 - 2¹⁵ = 123025961 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (123058709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61529364 + 61529365.

It is an arithmetic number, because the mean of its divisors is an integer number (61529365).

Almost surely, 2^123058729 is an apocalyptic number.

It is an amenable number.

123058729 is a deficient number, since it is larger than the sum of its proper divisors (1).

123058729 is an equidigital number, since it uses as much as digits as its factorization.

123058729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 123058729 is about 11093.1838982323. The cubic root of 123058729 is about 497.3981226203.

The spelling of 123058729 in words is "one hundred twenty-three million, fifty-eight thousand, seven hundred twenty-nine".