126563612 has 12 divisors (see below), whose sum is σ = 253127280. Its totient is φ = 54241536.

The previous prime is 126563599. The next prime is 126563651. The reversal of 126563612 is 216365621.

126563612 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260037 + ... + 2260092.

It is an arithmetic number, because the mean of its divisors is an integer number (21093940).

Almost surely, 2^126563612 is an apocalyptic number.

It is an amenable number.

126563612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126563612 is a wasteful number, since it uses less digits than its factorization.

126563612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520140 (or 4520138 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 126563612 is about 11250.0494221137. The cubic root of 126563612 is about 502.0761829957.

The spelling of 126563612 in words is "one hundred twenty-six million, five hundred sixty-three thousand, six hundred twelve".