126000253 has 2 divisors, whose sum is σ = 126000254. Its totient is φ = 126000252.

The previous prime is 126000247. The next prime is 126000269. The reversal of 126000253 is 352000621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124612569 + 1387684 = 11163^2 + 1178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126000253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126000253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126000283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63000126 + 63000127.

It is an arithmetic number, because the mean of its divisors is an integer number (63000127).

Almost surely, 2^126000253 is an apocalyptic number.

It is an amenable number.

126000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

126000253 is an equidigital number, since it uses as much as digits as its factorization.

126000253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 126000253 is about 11224.9834298319. The cubic root of 126000253 is about 501.3301290424.

Adding to 126000253 its reverse (352000621), we get a palindrome (478000874).

It can be divided in two parts, 126000 and 253, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 126000253 in words is "one hundred twenty-six million, two hundred fifty-three", and thus it is an aban number.