122369 has 4 divisors (see below), whose sum is σ = 131796. Its totient is φ = 112944.

The previous prime is 122363. The next prime is 122387. The reversal of 122369 is 963221.

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 82369 + 40000 = 287^2 + 200^2 .

It is not a de Polignac number, because 122369 - 2¹² = 118273 is a prime.

It is a super-2 number, since 2×122369² = 29948344322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (122363) 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, 4694 + ... + 4719.

It is an arithmetic number, because the mean of its divisors is an integer number (32949).

It is a Proth number, since it is equal to 239 ⋅ 2⁹ + 1 and 239 < 2⁹.

2¹²²³⁶⁹ is an apocalyptic number.

It is an amenable number.

122369 is a deficient number, since it is larger than the sum of its proper divisors (9427).

122369 is an equidigital number, since it uses as much as digits as its factorization.

122369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426.

The product of its digits is 648, while the sum is 23.

The square root of 122369 is about 349.8128070840. The cubic root of 122369 is about 49.6467095972.

The spelling of 122369 in words is "one hundred twenty-two thousand, three hundred sixty-nine".