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122701147 is a prime number
BaseRepresentation
bin1110101000001…
…00010101011011
322112212212022221
413110010111123
5222402414042
620101524511
73016641202
oct724042533
9275785287
10122701147
1163297208
1235113737
131c56153a
1412420239
15ab8ad67
hex750455b

122701147 has 2 divisors, whose sum is σ = 122701148. Its totient is φ = 122701146.

The previous prime is 122701133. The next prime is 122701153. The reversal of 122701147 is 741107221.

It is a strong prime.

It is an emirp because it is prime and its reverse (741107221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122701147 is a prime.

It is not a weakly prime, because it can be changed into another prime (122701127) 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, 61350573 + 61350574.

It is an arithmetic number, because the mean of its divisors is an integer number (61350574).

Almost surely, 2122701147 is an apocalyptic number.

122701147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122701147 is an equidigital number, since it uses as much as digits as its factorization.

122701147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 122701147 is about 11077.0549786484. The cubic root of 122701147 is about 496.9158781658.

Adding to 122701147 its reverse (741107221), we get a palindrome (863808368).

The spelling of 122701147 in words is "one hundred twenty-two million, seven hundred one thousand, one hundred forty-seven".