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122249 = 432843
BaseRepresentation
bin11101110110001001
320012200202
4131312021
512402444
62341545
71016261
oct356611
9205622
10122249
1183936
125a8b5
134384a
14327a1
152634e
hex1dd89

122249 has 4 divisors (see below), whose sum is σ = 125136. Its totient is φ = 119364.

The previous prime is 122231. The next prime is 122251. The reversal of 122249 is 942221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122249 - 28 = 121993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122249.

It is not an unprimeable number, because it can be changed into a prime (122209) 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, 1379 + ... + 1464.

It is an arithmetic number, because the mean of its divisors is an integer number (31284).

2122249 is an apocalyptic number.

It is an amenable number.

122249 is a deficient number, since it is larger than the sum of its proper divisors (2887).

122249 is an equidigital number, since it uses as much as digits as its factorization.

122249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its digits is 288, while the sum is 20.

The square root of 122249 is about 349.6412447066. The cubic root of 122249 is about 49.6304757645.

The spelling of 122249 in words is "one hundred twenty-two thousand, two hundred forty-nine".

Divisors: 1 43 2843 122249