126023656 has 48 divisors (see below), whose sum is σ = 272125440. Its totient is φ = 54254880.

The previous prime is 126023641. The next prime is 126023663. The reversal of 126023656 is 656320621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29785 + ... + 33751.

It is an arithmetic number, because the mean of its divisors is an integer number (5669280).

Almost surely, 2^126023656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126023656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136062720).

126023656 is an abundant number, since it is smaller than the sum of its proper divisors (146101784).

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

126023656 is a wasteful number, since it uses less digits than its factorization.

126023656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022 (or 3999 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 126023656 is about 11226.0258328582. The cubic root of 126023656 is about 501.3611657596.

The spelling of 126023656 in words is "one hundred twenty-six million, twenty-three thousand, six hundred fifty-six".