126489653 has 2 divisors, whose sum is σ = 126489654. Its totient is φ = 126489652.

The previous prime is 126489637. The next prime is 126489659. The reversal of 126489653 is 356984621.

126489653 is nontrivially palindromic in base 3.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103083409 + 23406244 = 10153^2 + 4838^2 .

It is a cyclic number.

It is not a de Polignac number, because 126489653 - 2⁴ = 126489637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126489659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63244826 + 63244827.

It is an arithmetic number, because the mean of its divisors is an integer number (63244827).

Almost surely, 2^126489653 is an apocalyptic number.

It is an amenable number.

126489653 is a deficient number, since it is larger than the sum of its proper divisors (1).

126489653 is an equidigital number, since it uses as much as digits as its factorization.

126489653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 126489653 is about 11246.7618895396. The cubic root of 126489653 is about 501.9783658132.

The spelling of 126489653 in words is "one hundred twenty-six million, four hundred eighty-nine thousand, six hundred fifty-three".