126763003 has 8 divisors (see below), whose sum is σ = 133761600. Its totient is φ = 119797128.

The previous prime is 126762983. The next prime is 126763057. The reversal of 126763003 is 300367621.

126763003 is a nontrivial binomial coefficient, being equal to C(15923, 2).

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

It is not a de Polignac number, because 126763003 - 2⁹ = 126762491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126763303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 15922.

It is an arithmetic number, because the mean of its divisors is an integer number (16720200).

Almost surely, 2^126763003 is an apocalyptic number.

126763003 is the 15922-nd triangular number.

126763003 is the 5308-th centered nonagonal number.

126763003 is a deficient number, since it is larger than the sum of its proper divisors (6998597).

126763003 is a wasteful number, since it uses less digits than its factorization.

126763003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 126763003 is about 11258.9077178916. The cubic root of 126763003 is about 502.3397051489.

The spelling of 126763003 in words is "one hundred twenty-six million, seven hundred sixty-three thousand, three".