126623712 has 24 divisors (see below), whose sum is σ = 332387496. Its totient is φ = 42207872.

The previous prime is 126623663. The next prime is 126623713. The reversal of 126623712 is 217326621.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 126623712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126623713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659403 + ... + 659594.

It is an arithmetic number, because the mean of its divisors is an integer number (13849479).

Almost surely, 2^126623712 is an apocalyptic number.

126623712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126623712 is an abundant number, since it is smaller than the sum of its proper divisors (205763784).

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

126623712 is a wasteful number, since it uses less digits than its factorization.

126623712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319010 (or 1319002 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 126623712 is about 11252.7202044661. The cubic root of 126623712 is about 502.1556423893.

The spelling of 126623712 in words is "one hundred twenty-six million, six hundred twenty-three thousand, seven hundred twelve".