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BaseRepresentation
bin11101110110100111
320012201212
4131312213
512403104
62342035
71016333
oct356647
9205655
10122279
1183963
125a91b
1343871
14327c3
152636e
hex1dda7

122279 has 2 divisors, whose sum is σ = 122280. Its totient is φ = 122278.

The previous prime is 122273. The next prime is 122299. The reversal of 122279 is 972221.

It is a weak prime.

It is an emirp because it is prime and its reverse (972221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122279 - 24 = 122263 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61139 + 61140.

It is an arithmetic number, because the mean of its divisors is an integer number (61140).

2122279 is an apocalyptic number.

122279 is a deficient number, since it is larger than the sum of its proper divisors (1).

122279 is an equidigital number, since it uses as much as digits as its factorization.

122279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 122279 is about 349.6841431921. The cubic root of 122279 is about 49.6345352183.

The spelling of 122279 in words is "one hundred twenty-two thousand, two hundred seventy-nine".