122861723 has 2 divisors, whose sum is σ = 122861724. Its totient is φ = 122861722.

The previous prime is 122861689. The next prime is 122861729. The reversal of 122861723 is 327168221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122861723 - 2¹⁴ = 122845339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122861723.

It is not a weakly prime, because it can be changed into another prime (122861729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61430861 + 61430862.

It is an arithmetic number, because the mean of its divisors is an integer number (61430862).

Almost surely, 2^122861723 is an apocalyptic number.

122861723 is a deficient number, since it is larger than the sum of its proper divisors (1).

122861723 is an equidigital number, since it uses as much as digits as its factorization.

122861723 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 122861723 is about 11084.3007447470. The cubic root of 122861723 is about 497.1325509073.

The spelling of 122861723 in words is "one hundred twenty-two million, eight hundred sixty-one thousand, seven hundred twenty-three".