122571 has 6 divisors (see below), whose sum is σ = 177060. Its totient is φ = 81708.

The previous prime is 122561. The next prime is 122579. The reversal of 122571 is 175221.

It is not a de Polignac number, because 122571 - 2⁷ = 122443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6801 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (29510).

2¹²²⁵⁷¹ is an apocalyptic number.

122571 is a deficient number, since it is larger than the sum of its proper divisors (54489).

122571 is a wasteful number, since it uses less digits than its factorization.

122571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13625 (or 13622 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 122571 is about 350.1014138789. The cubic root of 122571 is about 49.6740125965.

Adding to 122571 its reverse (175221), we get a palindrome (297792).

Subtracting 122571 from its reverse (175221), we obtain a triangular number (52650 = T₃₂₄).

It can be divided in two parts, 1225 and 71, that added together give a 4-th power (1296 = 6⁴).

The spelling of 122571 in words is "one hundred twenty-two thousand, five hundred seventy-one".