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126928937 is a prime number
BaseRepresentation
bin1111001000011…
…00100000101001
322211211122202202
413210030200221
5224443211222
620332305545
73100610132
oct744144051
9284748682
10126928937
1165714653
12366122b5
13203b19a5
1412c00c89
15b223892
hex790c829

126928937 has 2 divisors, whose sum is σ = 126928938. Its totient is φ = 126928936.

The previous prime is 126928903. The next prime is 126928951. The reversal of 126928937 is 739829621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 12524521 = 10696^2 + 3539^2 .

It is a cyclic number.

It is not a de Polignac number, because 126928937 - 212 = 126924841 is a prime.

It is a super-2 number, since 2×1269289372 = 32221910095899938, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126928891 and 126928900.

It is not a weakly prime, because it can be changed into another prime (126928957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63464468 + 63464469.

It is an arithmetic number, because the mean of its divisors is an integer number (63464469).

Almost surely, 2126928937 is an apocalyptic number.

It is an amenable number.

126928937 is a deficient number, since it is larger than the sum of its proper divisors (1).

126928937 is an equidigital number, since it uses as much as digits as its factorization.

126928937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 126928937 is about 11266.2743176260. The cubic root of 126928937 is about 502.5587987597.

The spelling of 126928937 in words is "one hundred twenty-six million, nine hundred twenty-eight thousand, nine hundred thirty-seven".