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122097 = 340699
BaseRepresentation
bin11101110011110001
320012111010
4131303301
512401342
62341133
71015653
oct356361
9205433
10122097
1183808
125a7a9
1343761
14326d3
152629c
hex1dcf1

122097 has 4 divisors (see below), whose sum is σ = 162800. Its totient is φ = 81396.

The previous prime is 122081. The next prime is 122099. The reversal of 122097 is 790221.

It is a happy number.

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 not a de Polignac number, because 122097 - 24 = 122081 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122099) 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 3 ways as a sum of consecutive naturals, for example, 20347 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (40700).

2122097 is an apocalyptic number.

It is an amenable number.

122097 is a deficient number, since it is larger than the sum of its proper divisors (40703).

122097 is an equidigital number, since it uses as much as digits as its factorization.

122097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40702.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 122097 is about 349.4238114382. The cubic root of 122097 is about 49.6098976519.

The spelling of 122097 in words is "one hundred twenty-two thousand, ninety-seven".

Divisors: 1 3 40699 122097