Search a number
-
+
122544841 is a prime number
BaseRepresentation
bin1110100110111…
…10001011001001
322112120220220211
413103132023021
5222332413331
620054321121
73015420406
oct723361311
9275526824
10122544841
116319a831
12350591a1
131c508353
14123bd2ad
15ab598b1
hex74de2c9

122544841 has 2 divisors, whose sum is σ = 122544842. Its totient is φ = 122544840.

The previous prime is 122544817. The next prime is 122544847. The reversal of 122544841 is 148445221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118722816 + 3822025 = 10896^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 122544841 - 213 = 122536649 is a prime.

It is not a weakly prime, because it can be changed into another prime (122544847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61272420 + 61272421.

It is an arithmetic number, because the mean of its divisors is an integer number (61272421).

Almost surely, 2122544841 is an apocalyptic number.

It is an amenable number.

122544841 is a deficient number, since it is larger than the sum of its proper divisors (1).

122544841 is an equidigital number, since it uses as much as digits as its factorization.

122544841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 31.

The square root of 122544841 is about 11069.9973351397. The cubic root of 122544841 is about 496.7047854973.

The spelling of 122544841 in words is "one hundred twenty-two million, five hundred forty-four thousand, eight hundred forty-one".