126865696 has 48 divisors (see below), whose sum is σ = 267193080. Its totient is φ = 59084800.

The previous prime is 126865681. The next prime is 126865703. The reversal of 126865696 is 696568621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 120209296 + 6656400 = 10964^2 + 2580^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53790 + ... + 56098.

Almost surely, 2^126865696 is an apocalyptic number.

126865696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126865696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133596540).

126865696 is an abundant number, since it is smaller than the sum of its proper divisors (140327384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126865696 is a wasteful number, since it uses less digits than its factorization.

126865696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2429 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 126865696 is about 11263.4673169500. The cubic root of 126865696 is about 502.4753200258.

The spelling of 126865696 in words is "one hundred twenty-six million, eight hundred sixty-five thousand, six hundred ninety-six".