126464550 has 48 divisors (see below), whose sum is σ = 317189520. Its totient is φ = 33341440.

The previous prime is 126464549. The next prime is 126464567. The reversal of 126464550 is 55464621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8614 + ... + 18086.

It is an arithmetic number, because the mean of its divisors is an integer number (6608115).

Almost surely, 2^126464550 is an apocalyptic number.

126464550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126464550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158594760).

126464550 is an abundant number, since it is smaller than the sum of its proper divisors (190724970).

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

126464550 is a wasteful number, since it uses less digits than its factorization.

126464550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577 (or 9572 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 126464550 is about 11245.6458240512. The cubic root of 126464550 is about 501.9451562546.

The spelling of 126464550 in words is "one hundred twenty-six million, four hundred sixty-four thousand, five hundred fifty".