126351663 has 16 divisors (see below), whose sum is σ = 170058240. Its totient is φ = 83444256.

The previous prime is 126351661. The next prime is 126351677. The reversal of 126351663 is 366153621.

It is not a de Polignac number, because 126351663 - 2¹ = 126351661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126351661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259206 + ... + 259692.

It is an arithmetic number, because the mean of its divisors is an integer number (10628640).

Almost surely, 2^126351663 is an apocalyptic number.

126351663 is a deficient number, since it is larger than the sum of its proper divisors (43706577).

126351663 is a wasteful number, since it uses less digits than its factorization.

126351663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its digits is 19440, while the sum is 33.

The square root of 126351663 is about 11240.6255608841. The cubic root of 126351663 is about 501.7957601035.

The spelling of 126351663 in words is "one hundred twenty-six million, three hundred fifty-one thousand, six hundred sixty-three".