126255210 has 16 divisors (see below), whose sum is σ = 303012576. Its totient is φ = 33668048.

The previous prime is 126255203. The next prime is 126255223. The reversal of 126255210 is 12552621.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2104224 + ... + 2104283.

It is an arithmetic number, because the mean of its divisors is an integer number (18938286).

Almost surely, 2^126255210 is an apocalyptic number.

126255210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126255210 is an abundant number, since it is smaller than the sum of its proper divisors (176757366).

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

126255210 is a wasteful number, since it uses less digits than its factorization.

126255210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208517.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 126255210 is about 11236.3343666874. The cubic root of 126255210 is about 501.6680424142.

The spelling of 126255210 in words is "one hundred twenty-six million, two hundred fifty-five thousand, two hundred ten".