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122730007 is a prime number
BaseRepresentation
bin1110101000010…
…11011000010111
322112221022220211
413110023120113
5222404330012
620102310251
73020121301
oct724133027
9275838824
10122730007
1163306964
1235128387
131c57170a
141242a971
15ab946a7
hex750b617

122730007 has 2 divisors, whose sum is σ = 122730008. Its totient is φ = 122730006.

The previous prime is 122729993. The next prime is 122730029. The reversal of 122730007 is 700037221.

It is an a-pointer prime, because the next prime (122730029) can be obtained adding 122730007 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122730007 - 211 = 122727959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122730007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122730107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61365003 + 61365004.

It is an arithmetic number, because the mean of its divisors is an integer number (61365004).

Almost surely, 2122730007 is an apocalyptic number.

122730007 is a deficient number, since it is larger than the sum of its proper divisors (1).

122730007 is an equidigital number, since it uses as much as digits as its factorization.

122730007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 122730007 is about 11078.3575948784. The cubic root of 122730007 is about 496.9548342483.

Adding to 122730007 its reverse (700037221), we get a palindrome (822767228).

The spelling of 122730007 in words is "one hundred twenty-two million, seven hundred thirty thousand, seven".