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126875473 is a prime number
BaseRepresentation
bin1111000111111…
…11011101010001
322211201221102121
413203333131101
5224440003343
620331214241
73100265224
oct743773521
9284657377
10126875473
116568846a
12365a7381
132039355a
1412bc95bb
15b212aed
hex78ff751

126875473 has 2 divisors, whose sum is σ = 126875474. Its totient is φ = 126875472.

The previous prime is 126875461. The next prime is 126875491. The reversal of 126875473 is 374578621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 11785489 = 10728^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 126875473 - 213 = 126867281 is a prime.

It is not a weakly prime, because it can be changed into another prime (126815473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63437736 + 63437737.

It is an arithmetic number, because the mean of its divisors is an integer number (63437737).

Almost surely, 2126875473 is an apocalyptic number.

It is an amenable number.

126875473 is a deficient number, since it is larger than the sum of its proper divisors (1).

126875473 is an equidigital number, since it uses as much as digits as its factorization.

126875473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 126875473 is about 11263.9013223661. The cubic root of 126875473 is about 502.4882275733.

The spelling of 126875473 in words is "one hundred twenty-six million, eight hundred seventy-five thousand, four hundred seventy-three".