126711612 has 18 divisors (see below), whose sum is σ = 320298888. Its totient is φ = 42237192.

The previous prime is 126711593. The next prime is 126711617. The reversal of 126711612 is 216117621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126711617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1759848 + ... + 1759919.

Almost surely, 2^126711612 is an apocalyptic number.

126711612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126711612 is an abundant number, since it is smaller than the sum of its proper divisors (193587276).

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

126711612 is a wasteful number, since it uses less digits than its factorization.

126711612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519777 (or 3519772 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 126711612 is about 11256.6252491588. The cubic root of 126711612 is about 502.2718114454.

The spelling of 126711612 in words is "one hundred twenty-six million, seven hundred eleven thousand, six hundred twelve".