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122597 is a prime number
BaseRepresentation
bin11101111011100101
320020011122
4131323211
512410342
62343325
71020266
oct357345
9206148
10122597
1184122
125ab45
1343a57
143296d
15264d2
hex1dee5

122597 has 2 divisors, whose sum is σ = 122598. Its totient is φ = 122596.

The previous prime is 122579. The next prime is 122599. The reversal of 122597 is 795221.

Together with previous prime (122579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 58081 = 254^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 122597 - 26 = 122533 is a prime.

Together with 122599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122597.

It is not a weakly prime, because it can be changed into another prime (122599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61298 + 61299.

It is an arithmetic number, because the mean of its divisors is an integer number (61299).

2122597 is an apocalyptic number.

It is an amenable number.

122597 is a deficient number, since it is larger than the sum of its proper divisors (1).

122597 is an equidigital number, since it uses as much as digits as its factorization.

122597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 122597 is about 350.1385440079. The cubic root of 122597 is about 49.6775246644.

The spelling of 122597 in words is "one hundred twenty-two thousand, five hundred ninety-seven".