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126984133 is a prime number
BaseRepresentation
bin1111001000110…
…01111111000101
322211221110111001
413210121333011
5230001443013
620333413301
73101230063
oct744317705
9284843431
10126984133
1165752071
123663a231
1320400b53
1412c17033
15b234ddd
hex7919fc5

126984133 has 2 divisors, whose sum is σ = 126984134. Its totient is φ = 126984132.

The previous prime is 126984097. The next prime is 126984161. The reversal of 126984133 is 331489621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 59629284 = 8207^2 + 7722^2 .

It is an emirp because it is prime and its reverse (331489621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126984133 - 225 = 93429701 is a prime.

It is a super-2 number, since 2×1269841332 = 32249940067523378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126984092 and 126984101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126984233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63492066 + 63492067.

It is an arithmetic number, because the mean of its divisors is an integer number (63492067).

Almost surely, 2126984133 is an apocalyptic number.

It is an amenable number.

126984133 is a deficient number, since it is larger than the sum of its proper divisors (1).

126984133 is an equidigital number, since it uses as much as digits as its factorization.

126984133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 126984133 is about 11268.7236633081. The cubic root of 126984133 is about 502.6316353568.

The spelling of 126984133 in words is "one hundred twenty-six million, nine hundred eighty-four thousand, one hundred thirty-three".