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122313253 is a prime number
BaseRepresentation
bin1110100101001…
…01101000100101
322112011011020111
413102211220211
5222303011003
620045333021
73013434256
oct722455045
9275134214
10122313253
1163051837
1234b67171
131c456b0a
141235cb2d
15ab10e6d
hex74a5a25

122313253 has 2 divisors, whose sum is σ = 122313254. Its totient is φ = 122313252.

The previous prime is 122313229. The next prime is 122313263. The reversal of 122313253 is 352313221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 48748324 = 8577^2 + 6982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122313253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156626 + 61156627.

It is an arithmetic number, because the mean of its divisors is an integer number (61156627).

Almost surely, 2122313253 is an apocalyptic number.

It is an amenable number.

122313253 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313253 is an equidigital number, since it uses as much as digits as its factorization.

122313253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 122313253 is about 11059.5322233809. The cubic root of 122313253 is about 496.3916935555.

Adding to 122313253 its reverse (352313221), we get a palindrome (474626474).

The spelling of 122313253 in words is "one hundred twenty-two million, three hundred thirteen thousand, two hundred fifty-three".