126224550 has 36 divisors (see below), whose sum is σ = 339124500. Its totient is φ = 33659760.

The previous prime is 126224537. The next prime is 126224551. The reversal of 126224550 is 55422621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126224551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139800 + ... + 140699.

It is an arithmetic number, because the mean of its divisors is an integer number (9420125).

Almost surely, 2^126224550 is an apocalyptic number.

126224550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126224550 is an abundant number, since it is smaller than the sum of its proper divisors (212899950).

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

126224550 is a wasteful number, since it uses less digits than its factorization.

126224550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280517 (or 280509 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 126224550 is about 11234.9699599064. The cubic root of 126224550 is about 501.6274305260.

It can be divided in two parts, 126 and 224550, that added together give a square (224676 = 474²).

The spelling of 126224550 in words is "one hundred twenty-six million, two hundred twenty-four thousand, five hundred fifty".