126375603 has 16 divisors (see below), whose sum is σ = 179706240. Its totient is φ = 78719616.

The previous prime is 126375583. The next prime is 126375607. The reversal of 126375603 is 306573621.

It is not a de Polignac number, because 126375603 - 2¹⁰ = 126374579 is a prime.

It is a super-3 number, since 3×126375603³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (126375607) 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, 1825 + ... + 16002.

It is an arithmetic number, because the mean of its divisors is an integer number (11231640).

Almost surely, 2^126375603 is an apocalyptic number.

126375603 is a deficient number, since it is larger than the sum of its proper divisors (53330637).

126375603 is a wasteful number, since it uses less digits than its factorization.

126375603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 126375603 is about 11241.6903978005. The cubic root of 126375603 is about 501.8274500488.

The spelling of 126375603 in words is "one hundred twenty-six million, three hundred seventy-five thousand, six hundred three".