168122701 has 4 divisors (see below), whose sum is σ = 169350012. Its totient is φ = 166895392.

The previous prime is 168122671. The next prime is 168122711. The reversal of 168122701 is 107221861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136188900 + 31933801 = 11670^2 + 5651^2 .

It is a cyclic number.

It is not a de Polignac number, because 168122701 - 2⁹ = 168122189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168122701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168122711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613450 + ... + 613723.

It is an arithmetic number, because the mean of its divisors is an integer number (42337503).

Almost surely, 2^168122701 is an apocalyptic number.

It is an amenable number.

168122701 is a deficient number, since it is larger than the sum of its proper divisors (1227311).

168122701 is a wasteful number, since it uses less digits than its factorization.

168122701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227310.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 168122701 is about 12966.2138267113. The cubic root of 168122701 is about 551.9191370119.

The spelling of 168122701 in words is "one hundred sixty-eight million, one hundred twenty-two thousand, seven hundred one".