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126026213 is a prime number
BaseRepresentation
bin1111000001100…
…00000111100101
322210010210110112
413200300013211
5224230314323
620301102405
73060130235
oct740600745
9283123415
10126026213
11651583a5
1236257a05
1320156b31
1412a47cc5
15b0e6178
hex78301e5

126026213 has 2 divisors, whose sum is σ = 126026214. Its totient is φ = 126026212.

The previous prime is 126026189. The next prime is 126026233. The reversal of 126026213 is 312620621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122921569 + 3104644 = 11087^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 126026213 - 26 = 126026149 is a prime.

It is a super-3 number, since 3×1260262133 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126026233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63013106 + 63013107.

It is an arithmetic number, because the mean of its divisors is an integer number (63013107).

Almost surely, 2126026213 is an apocalyptic number.

It is an amenable number.

126026213 is a deficient number, since it is larger than the sum of its proper divisors (1).

126026213 is an equidigital number, since it uses as much as digits as its factorization.

126026213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 126026213 is about 11226.1397194227. The cubic root of 126026213 is about 501.3645565829.

Adding to 126026213 its reverse (312620621), we get a palindrome (438646834).

The spelling of 126026213 in words is "one hundred twenty-six million, twenty-six thousand, two hundred thirteen".