126206153 has 2 divisors, whose sum is σ = 126206154. Its totient is φ = 126206152.

The previous prime is 126206141. The next prime is 126206167. The reversal of 126206153 is 351602621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86918329 + 39287824 = 9323^2 + 6268^2 .

It is an emirp because it is prime and its reverse (351602621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126206153 - 2⁴ = 126206137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126206653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63103076 + 63103077.

It is an arithmetic number, because the mean of its divisors is an integer number (63103077).

Almost surely, 2^126206153 is an apocalyptic number.

It is an amenable number.

126206153 is a deficient number, since it is larger than the sum of its proper divisors (1).

126206153 is an equidigital number, since it uses as much as digits as its factorization.

126206153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126206153 is about 11234.1511917901. The cubic root of 126206153 is about 501.6030589115.

Adding to 126206153 its reverse (351602621), we get a palindrome (477808774).

The spelling of 126206153 in words is "one hundred twenty-six million, two hundred six thousand, one hundred fifty-three".