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126874939 is a prime number
BaseRepresentation
bin1111000111111…
…11010100111011
322211201220200211
413203333110323
5224434444224
620331211551
73100263532
oct743772473
9284656624
10126874939
1165688024
12365a6bb7
1320393239
1412bc9319
15b212894
hex78ff53b

126874939 has 2 divisors, whose sum is σ = 126874940. Its totient is φ = 126874938.

The previous prime is 126874921. The next prime is 126874973. The reversal of 126874939 is 939478621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126874939 - 211 = 126872891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126874892 and 126874901.

It is not a weakly prime, because it can be changed into another prime (126874999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63437469 + 63437470.

It is an arithmetic number, because the mean of its divisors is an integer number (63437470).

Almost surely, 2126874939 is an apocalyptic number.

126874939 is a deficient number, since it is larger than the sum of its proper divisors (1).

126874939 is an equidigital number, since it uses as much as digits as its factorization.

126874939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 126874939 is about 11263.8776182982. The cubic root of 126874939 is about 502.4875226063.

The spelling of 126874939 in words is "one hundred twenty-six million, eight hundred seventy-four thousand, nine hundred thirty-nine".