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122011361 is a prime number
BaseRepresentation
bin1110100010110…
…11111011100001
322111120211010022
413101123323201
5222213330421
620035043225
73011036153
oct721337341
9274524108
10122011361
1162965a3a
1234a40515
131c37c594
14122c0ad3
15aaa17ab
hex745bee1

122011361 has 2 divisors, whose sum is σ = 122011362. Its totient is φ = 122011360.

The previous prime is 122011301. The next prime is 122011387. The reversal of 122011361 is 163110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 26460736 = 9775^2 + 5144^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011361 - 218 = 121749217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122011301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005680 + 61005681.

It is an arithmetic number, because the mean of its divisors is an integer number (61005681).

Almost surely, 2122011361 is an apocalyptic number.

It is an amenable number.

122011361 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011361 is an equidigital number, since it uses as much as digits as its factorization.

122011361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 122011361 is about 11045.8752935202. The cubic root of 122011361 is about 495.9829612275.

Adding to 122011361 its reverse (163110221), we get a palindrome (285121582).

The spelling of 122011361 in words is "one hundred twenty-two million, eleven thousand, three hundred sixty-one".