126305850 has 72 divisors (see below), whose sum is σ = 344352960. Its totient is φ = 30615200.

The previous prime is 126305849. The next prime is 126305867. The reversal of 126305850 is 58503621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14671 + ... + 21629.

It is an arithmetic number, because the mean of its divisors is an integer number (4782680).

Almost surely, 2^126305850 is an apocalyptic number.

126305850 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 126305850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172176480).

126305850 is an abundant number, since it is smaller than the sum of its proper divisors (218047110).

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

126305850 is a wasteful number, since it uses less digits than its factorization.

126305850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6980 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 126305850 is about 11238.5875447051. The cubic root of 126305850 is about 501.7351051884.

The spelling of 126305850 in words is "one hundred twenty-six million, three hundred five thousand, eight hundred fifty".