122245 has 8 divisors (see below), whose sum is σ = 153216. Its totient is φ = 93456.

The previous prime is 122231. The next prime is 122251. The reversal of 122245 is 542221.

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

It is a cyclic number.

It is not a de Polignac number, because 122245 - 2⁷ = 122117 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent 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, 417 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹²²²⁴⁵ is an apocalyptic number.

It is an amenable number.

122245 is a deficient number, since it is larger than the sum of its proper divisors (30971).

122245 is a wasteful number, since it uses less digits than its factorization.

122245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 160, while the sum is 16.

The square root of 122245 is about 349.6355245109. The cubic root of 122245 is about 49.6299344538.

Adding to 122245 its reverse (542221), we get a palindrome (664466).

It can be divided in two parts, 122 and 245, that multiplied together give a triangular number (29890 = T₂₄₄).

The spelling of 122245 in words is "one hundred twenty-two thousand, two hundred forty-five".