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123106747 is a prime number
BaseRepresentation
bin1110101011001…
…11010110111011
322120122110201011
413111213112323
5223003403442
620114334351
73023250541
oct725472673
9276573634
10123106747
1163543a15
123528a3b7
131c67403a
14124c7d91
15ac1b117
hex75675bb

123106747 has 2 divisors, whose sum is σ = 123106748. Its totient is φ = 123106746.

The previous prime is 123106729. The next prime is 123106759. The reversal of 123106747 is 747601321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123106747 - 223 = 114718139 is a prime.

It is not a weakly prime, because it can be changed into another prime (123106717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61553373 + 61553374.

It is an arithmetic number, because the mean of its divisors is an integer number (61553374).

Almost surely, 2123106747 is an apocalyptic number.

123106747 is a deficient number, since it is larger than the sum of its proper divisors (1).

123106747 is an equidigital number, since it uses as much as digits as its factorization.

123106747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 123106747 is about 11095.3479891349. The cubic root of 123106747 is about 497.4628097752.

The spelling of 123106747 in words is "one hundred twenty-three million, one hundred six thousand, seven hundred forty-seven".