126045556 has 48 divisors (see below), whose sum is σ = 277830784. Its totient is φ = 48698496.

The previous prime is 126045541. The next prime is 126045593. The reversal of 126045556 is 655540621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11626 + ... + 19678.

Almost surely, 2^126045556 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 126045556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138915392).

126045556 is an abundant number, since it is smaller than the sum of its proper divisors (151785228).

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

126045556 is a wasteful number, since it uses less digits than its factorization.

126045556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120 (or 8118 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 126045556 is about 11227.0012024583. The cubic root of 126045556 is about 501.3902057403.

The spelling of 126045556 in words is "one hundred twenty-six million, forty-five thousand, five hundred fifty-six".