122570 has 32 divisors (see below), whose sum is σ = 269568. Its totient is φ = 39168.

The previous prime is 122561. The next prime is 122579. The reversal of 122570 is 75221.

It is an interprime number because it is at equal distance from previous prime (122561) and next prime (122579).

It is a Harshad number since it is a multiple of its sum of digits (17).

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (8424).

2¹²²⁵⁷⁰ is an apocalyptic number.

122570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122570 is an abundant number, since it is smaller than the sum of its proper divisors (146998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122570 is a wasteful number, since it uses less digits than its factorization.

122570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 122570 is about 350.0999857184. The cubic root of 122570 is about 49.6738775071.

Adding to 122570 its reverse (75221), we get a palindrome (197791).

The spelling of 122570 in words is "one hundred twenty-two thousand, five hundred seventy".