126390250 has 32 divisors (see below), whose sum is σ = 270406656. Its totient is φ = 43333200.

The previous prime is 126390227. The next prime is 126390259. The reversal of 126390250 is 52093621.

It is not an unprimeable number, because it can be changed into a prime (126390259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34362 + ... + 37861.

It is an arithmetic number, because the mean of its divisors is an integer number (8450208).

Almost surely, 2^126390250 is an apocalyptic number.

126390250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126390250 is an abundant number, since it is smaller than the sum of its proper divisors (144016406).

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

126390250 is an equidigital number, since it uses as much as digits as its factorization.

126390250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72247 (or 72237 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 126390250 is about 11242.3418378912. The cubic root of 126390250 is about 501.8468366565.

The spelling of 126390250 in words is "one hundred twenty-six million, three hundred ninety thousand, two hundred fifty".