126763403 has 8 divisors (see below), whose sum is σ = 137768400. Its totient is φ = 115937568.

The previous prime is 126763361. The next prime is 126763409. The reversal of 126763403 is 304367621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126763403 - 2¹² = 126759307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126763403.

It is not an unprimeable number, because it can be changed into a prime (126763409) 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 7 ways as a sum of consecutive naturals, for example, 43313 + ... + 46146.

It is an arithmetic number, because the mean of its divisors is an integer number (17221050).

Almost surely, 2^126763403 is an apocalyptic number.

126763403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126763403 is a deficient number, since it is larger than the sum of its proper divisors (11004997).

126763403 is a wasteful number, since it uses less digits than its factorization.

126763403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89581.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 126763403 is about 11258.9254815902. The cubic root of 126763403 is about 502.3402335251.

The spelling of 126763403 in words is "one hundred twenty-six million, seven hundred sixty-three thousand, four hundred three".