126247696 has 25 divisors (see below), whose sum is σ = 249308851. Its totient is φ = 61932832.

The previous prime is 126247679. The next prime is 126247697. The reversal of 126247696 is 696742621.

It is a happy number.

The square root of 126247696 is 11236.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 24641296 + 101606400 = 4964^2 + 10080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126247697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 2382006 + ... + 2382058.

Almost surely, 2^126247696 is an apocalyptic number.

126247696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

126247696 is the 11236-th square number.

It is an amenable number.

126247696 is a deficient number, since it is larger than the sum of its proper divisors (123061155).

126247696 is an frugal number, since it uses more digits than its factorization.

126247696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 55 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The cubic root of 126247696 is about 501.6580900633.

The spelling of 126247696 in words is "one hundred twenty-six million, two hundred forty-seven thousand, six hundred ninety-six".