126025650 has 72 divisors (see below), whose sum is σ = 342001920. Its totient is φ = 33268320.

The previous prime is 126025637. The next prime is 126025661. The reversal of 126025650 is 56520621.

126025650 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 2 + 5 + 650 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44991 + ... + 47709.

Almost surely, 2^126025650 is an apocalyptic number.

126025650 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 126025650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171000960).

126025650 is an abundant number, since it is smaller than the sum of its proper divisors (215976270).

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

126025650 is a wasteful number, since it uses less digits than its factorization.

126025650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 126025650 is about 11226.1146439897. The cubic root of 126025650 is about 501.3638099957.

The spelling of 126025650 in words is "one hundred twenty-six million, twenty-five thousand, six hundred fifty".