122713705 has 8 divisors (see below), whose sum is σ = 147316104. Its totient is φ = 98131200.

The previous prime is 122713693. The next prime is 122713727. The reversal of 122713705 is 507317221.

It can be written as a sum of positive squares in 4 ways, for example, as 2679769 + 120033936 = 1637^2 + 10956^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122713705 - 2¹⁷ = 122582633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20115 + ... + 25495.

It is an arithmetic number, because the mean of its divisors is an integer number (18414513).

Almost surely, 2^122713705 is an apocalyptic number.

It is an amenable number.

122713705 is a deficient number, since it is larger than the sum of its proper divisors (24602399).

122713705 is an equidigital number, since it uses as much as digits as its factorization.

122713705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 122713705 is about 11077.6218115623. The cubic root of 122713705 is about 496.9328300767.

The spelling of 122713705 in words is "one hundred twenty-two million, seven hundred thirteen thousand, seven hundred five".