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BaseRepresentation
bin11101111010000001
320020000221
4131322001
512404442
62343041
71020064
oct357201
9206027
10122497
1184041
125aa81
13439ab
14328db
1526467
hex1de81

122497 has 2 divisors, whose sum is σ = 122498. Its totient is φ = 122496.

The previous prime is 122489. The next prime is 122501. The reversal of 122497 is 794221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101761 + 20736 = 319^2 + 144^2 .

It is an emirp because it is prime and its reverse (794221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122497 - 23 = 122489 is a prime.

It is not a weakly prime, because it can be changed into another prime (122477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61248 + 61249.

It is an arithmetic number, because the mean of its divisors is an integer number (61249).

2122497 is an apocalyptic number.

It is an amenable number.

122497 is a deficient number, since it is larger than the sum of its proper divisors (1).

122497 is an equidigital number, since it uses as much as digits as its factorization.

122497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 122497 is about 349.9957142595. The cubic root of 122497 is about 49.6640139918.

The spelling of 122497 in words is "one hundred twenty-two thousand, four hundred ninety-seven".