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123452117 is a prime number
BaseRepresentation
bin1110101101110…
…11101011010101
322121022000110122
413112323223111
5223100431432
620130001325
73026216465
oct726735325
9277260418
10123452117
116375a448
1235416245
131c7652b9
1412577ba5
15ac88612
hex75bbad5

123452117 has 2 divisors, whose sum is σ = 123452118. Its totient is φ = 123452116.

The previous prime is 123452111. The next prime is 123452141. The reversal of 123452117 is 711254321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77334436 + 46117681 = 8794^2 + 6791^2 .

It is a cyclic number.

It is not a de Polignac number, because 123452117 - 26 = 123452053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123452111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61726058 + 61726059.

It is an arithmetic number, because the mean of its divisors is an integer number (61726059).

Almost surely, 2123452117 is an apocalyptic number.

It is an amenable number.

123452117 is a deficient number, since it is larger than the sum of its proper divisors (1).

123452117 is an equidigital number, since it uses as much as digits as its factorization.

123452117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 123452117 is about 11110.9008185655. The cubic root of 123452117 is about 497.9275780020.

The spelling of 123452117 in words is "one hundred twenty-three million, four hundred fifty-two thousand, one hundred seventeen".