126305250 has 64 divisors (see below), whose sum is σ = 319213440. Its totient is φ = 33259200.

The previous prime is 126305227. The next prime is 126305281. The reversal of 126305250 is 52503621.

It is a self number, because there is not a number n which added to its sum of digits gives 126305250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61236 + ... + 63264.

It is an arithmetic number, because the mean of its divisors is an integer number (4987710).

Almost surely, 2^126305250 is an apocalyptic number.

126305250 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 126305250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159606720).

126305250 is an abundant number, since it is smaller than the sum of its proper divisors (192908190).

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

126305250 is a wasteful number, since it uses less digits than its factorization.

126305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 126305250 is about 11238.5608509275. The cubic root of 126305250 is about 501.7343107107.

Adding to 126305250 its reverse (52503621), we get a palindrome (178808871).

The spelling of 126305250 in words is "one hundred twenty-six million, three hundred five thousand, two hundred fifty".