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122106029 is a prime number
BaseRepresentation
bin1110100011100…
…11000010101101
322111202121222112
413101303002231
5222224343104
620041053405
73011612153
oct721630255
9274677875
10122106029
1162a20081
1234a87265
131c3b36b6
14123073d3
15aabe86e
hex74730ad

122106029 has 2 divisors, whose sum is σ = 122106030. Its totient is φ = 122106028.

The previous prime is 122105983. The next prime is 122106059. The reversal of 122106029 is 920601221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121110025 + 996004 = 11005^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 122106029 - 28 = 122105773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122105995 and 122106013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122106059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61053014 + 61053015.

It is an arithmetic number, because the mean of its divisors is an integer number (61053015).

Almost surely, 2122106029 is an apocalyptic number.

It is an amenable number.

122106029 is a deficient number, since it is larger than the sum of its proper divisors (1).

122106029 is an equidigital number, since it uses as much as digits as its factorization.

122106029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 122106029 is about 11050.1596821041. The cubic root of 122106029 is about 496.1112049585. Note that the first 3 decimals are identical.

The spelling of 122106029 in words is "one hundred twenty-two million, one hundred six thousand, twenty-nine".