126316605 has 16 divisors (see below), whose sum is σ = 209076480. Its totient is φ = 65045568.

The previous prime is 126316573. The next prime is 126316609. The reversal of 126316605 is 506613621.

It is not a de Polignac number, because 126316605 - 2⁵ = 126316573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126316609) 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, 144757 + ... + 145626.

It is an arithmetic number, because the mean of its divisors is an integer number (13067280).

Almost surely, 2^126316605 is an apocalyptic number.

126316605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126316605 is a deficient number, since it is larger than the sum of its proper divisors (82759875).

126316605 is a wasteful number, since it uses less digits than its factorization.

126316605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290420.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 126316605 is about 11239.0660199146. The cubic root of 126316605 is about 501.7493457742.

The spelling of 126316605 in words is "one hundred twenty-six million, three hundred sixteen thousand, six hundred five".