126885653 has 2 divisors, whose sum is σ = 126885654. Its totient is φ = 126885652.

The previous prime is 126885589. The next prime is 126885677. The reversal of 126885653 is 356588621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 28121809 = 9938^2 + 5303^2 .

It is an emirp because it is prime and its reverse (356588621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126885653 - 2⁶ = 126885589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126885053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63442826 + 63442827.

It is an arithmetic number, because the mean of its divisors is an integer number (63442827).

Almost surely, 2^126885653 is an apocalyptic number.

It is an amenable number.

126885653 is a deficient number, since it is larger than the sum of its proper divisors (1).

126885653 is an equidigital number, since it uses as much as digits as its factorization.

126885653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 126885653 is about 11264.3531993630. The cubic root of 126885653 is about 502.5016664549.

The spelling of 126885653 in words is "one hundred twenty-six million, eight hundred eighty-five thousand, six hundred fifty-three".