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122849 is a prime number
BaseRepresentation
bin11101111111100001
320020111222
4131333201
512412344
62344425
71021106
oct357741
9206458
10122849
1184331
125b115
1343bbc
1432aad
15265ee
hex1dfe1

122849 has 2 divisors, whose sum is σ = 122850. Its totient is φ = 122848.

The previous prime is 122839. The next prime is 122861. The reversal of 122849 is 948221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 20449 = 320^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 122849 - 24 = 122833 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (122819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61424 + 61425.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2122849 is an apocalyptic number.

It is an amenable number.

122849 is a deficient number, since it is larger than the sum of its proper divisors (1).

122849 is an equidigital number, since it uses as much as digits as its factorization.

122849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 122849 is about 350.4982168286. The cubic root of 122849 is about 49.7115390055.

The spelling of 122849 in words is "one hundred twenty-two thousand, eight hundred forty-nine".