126003406 has 8 divisors (see below), whose sum is σ = 195102144. Its totient is φ = 60969360.

The previous prime is 126003403. The next prime is 126003413. The reversal of 126003406 is 604300621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126003403) 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 3 ways as a sum of consecutive naturals, for example, 1016095 + ... + 1016218.

It is an arithmetic number, because the mean of its divisors is an integer number (24387768).

Almost surely, 2^126003406 is an apocalyptic number.

126003406 is a deficient number, since it is larger than the sum of its proper divisors (69098738).

126003406 is a wasteful number, since it uses less digits than its factorization.

126003406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032346.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 126003406 is about 11225.1238745949. The cubic root of 126003406 is about 501.3343107290.

The spelling of 126003406 in words is "one hundred twenty-six million, three thousand, four hundred six".