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126472133 is a prime number
BaseRepresentation
bin1111000100111…
…00111111000101
322210222110011002
413202130333011
5224334102013
620314423045
73063665264
oct742347705
9283873132
10126472133
1165432427
1236431a85
1320281aa8
1412b225db
15b183358
hex789cfc5

126472133 has 2 divisors, whose sum is σ = 126472134. Its totient is φ = 126472132.

The previous prime is 126472111. The next prime is 126472139. The reversal of 126472133 is 331274621.

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., 75463969 + 51008164 = 8687^2 + 7142^2 .

It is an emirp because it is prime and its reverse (331274621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126472133 - 222 = 122277829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126472096 and 126472105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126472139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63236066 + 63236067.

It is an arithmetic number, because the mean of its divisors is an integer number (63236067).

Almost surely, 2126472133 is an apocalyptic number.

It is an amenable number.

126472133 is a deficient number, since it is larger than the sum of its proper divisors (1).

126472133 is an equidigital number, since it uses as much as digits as its factorization.

126472133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 126472133 is about 11245.9829717104. The cubic root of 126472133 is about 501.9551885102.

The spelling of 126472133 in words is "one hundred twenty-six million, four hundred seventy-two thousand, one hundred thirty-three".