126844407 has 16 divisors (see below), whose sum is σ = 188769280. Its totient is φ = 84179736.

The previous prime is 126844387. The next prime is 126844409. The reversal of 126844407 is 704448621.

It is not a de Polignac number, because 126844407 - 2¹⁰ = 126843383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126844409) 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, 4513 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (11798080).

Almost surely, 2^126844407 is an apocalyptic number.

126844407 is a deficient number, since it is larger than the sum of its proper divisors (61924873).

126844407 is a wasteful number, since it uses less digits than its factorization.

126844407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21299 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 126844407 is about 11262.5222308327. The cubic root of 126844407 is about 502.4472120979.

The spelling of 126844407 in words is "one hundred twenty-six million, eight hundred forty-four thousand, four hundred seven".