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122797151 is a prime number
BaseRepresentation
bin1110101000110…
…11110001011111
322120001202000122
413110123301133
5222414002101
620103545155
73020521121
oct724336137
9276052018
10122797151
1163352354
123515b1bb
131c596149
1412447211
15aba951b
hex751bc5f

122797151 has 2 divisors, whose sum is σ = 122797152. Its totient is φ = 122797150.

The previous prime is 122797123. The next prime is 122797153. The reversal of 122797151 is 151797221.

It is a strong prime.

It is an emirp because it is prime and its reverse (151797221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122797151 - 210 = 122796127 is a prime.

It is a Sophie Germain prime.

Together with 122797153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122797153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61398575 + 61398576.

It is an arithmetic number, because the mean of its divisors is an integer number (61398576).

Almost surely, 2122797151 is an apocalyptic number.

122797151 is a deficient number, since it is larger than the sum of its proper divisors (1).

122797151 is an equidigital number, since it uses as much as digits as its factorization.

122797151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 35.

The square root of 122797151 is about 11081.3875936184. The cubic root of 122797151 is about 497.0454435814.

The spelling of 122797151 in words is "one hundred twenty-two million, seven hundred ninety-seven thousand, one hundred fifty-one".