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122797 = 1923281
BaseRepresentation
bin11101111110101101
320020110001
4131332231
512412142
62344301
71021003
oct357655
9206401
10122797
1184294
125b091
1343b7c
1432a73
15265b7
hex1dfad

122797 has 8 divisors (see below), whose sum is σ = 135360. Its totient is φ = 110880.

The previous prime is 122789. The next prime is 122819. The reversal of 122797 is 797221.

It is a happy number.

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 122797 - 23 = 122789 is a prime.

It is a Duffinian number.

122797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (16920).

2122797 is an apocalyptic number.

It is an amenable number.

122797 is a deficient number, since it is larger than the sum of its proper divisors (12563).

122797 is a wasteful number, since it uses less digits than its factorization.

122797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its digits is 1764, while the sum is 28.

The square root of 122797 is about 350.4240288565. The cubic root of 122797 is about 49.7045239847.

It can be divided in two parts, 122 and 797, that added together give a palindrome (919).

The spelling of 122797 in words is "one hundred twenty-two thousand, seven hundred ninety-seven".

Divisors: 1 19 23 281 437 5339 6463 122797