126010663 has 4 divisors (see below), whose sum is σ = 127309840. Its totient is φ = 124711488.

The previous prime is 126010631. The next prime is 126010673. The reversal of 126010663 is 366010621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366010621 = 1579 ⋅231799.

It is a cyclic number.

It is not a de Polignac number, because 126010663 - 2⁵ = 126010631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126010673) 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 in 3 ways as a sum of consecutive naturals, for example, 649443 + ... + 649636.

It is an arithmetic number, because the mean of its divisors is an integer number (31827460).

Almost surely, 2^126010663 is an apocalyptic number.

126010663 is a deficient number, since it is larger than the sum of its proper divisors (1299177).

126010663 is an equidigital number, since it uses as much as digits as its factorization.

126010663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299176.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 126010663 is about 11225.4471180439. The cubic root of 126010663 is about 501.3439351070.

The spelling of 126010663 in words is "one hundred twenty-six million, ten thousand, six hundred sixty-three".