126276405 has 16 divisors (see below), whose sum is σ = 205355904. Its totient is φ = 66242880.

The previous prime is 126276389. The next prime is 126276419. The reversal of 126276405 is 504672621.

It is not a de Polignac number, because 126276405 - 2⁴ = 126276389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68089 + ... + 69918.

It is an arithmetic number, because the mean of its divisors is an integer number (12834744).

Almost surely, 2^126276405 is an apocalyptic number.

126276405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126276405 is a deficient number, since it is larger than the sum of its proper divisors (79079499).

126276405 is a wasteful number, since it uses less digits than its factorization.

126276405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138076.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 126276405 is about 11237.2774727689. The cubic root of 126276405 is about 501.6961132273.

The spelling of 126276405 in words is "one hundred twenty-six million, two hundred seventy-six thousand, four hundred five".