126732603 has 16 divisors (see below), whose sum is σ = 188334720. Its totient is φ = 75332736.

The previous prime is 126732589. The next prime is 126732607. The reversal of 126732603 is 306237621.

It is not a de Polignac number, because 126732603 - 2⁴ = 126732587 is a prime.

It is a super-2 number, since 2×126732603² = 32122305326311218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126732607) 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, 64425 + ... + 66362.

It is an arithmetic number, because the mean of its divisors is an integer number (11770920).

Almost surely, 2^126732603 is an apocalyptic number.

126732603 is a deficient number, since it is larger than the sum of its proper divisors (61602117).

126732603 is a wasteful number, since it uses less digits than its factorization.

126732603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130826.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 126732603 is about 11257.5575947894. The cubic root of 126732603 is about 502.2995453031.

It can be divided in two parts, 12 and 6732603, that added together give a triangular number (6732615 = T₃₆₆₉).

The spelling of 126732603 in words is "one hundred twenty-six million, seven hundred thirty-two thousand, six hundred three".