126450816 has 32 divisors (see below), whose sum is σ = 335886000. Its totient is φ = 42150144.

The previous prime is 126450809. The next prime is 126450827. The reversal of 126450816 is 618054621.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164266 + ... + 165033.

Almost surely, 2^126450816 is an apocalyptic number.

126450816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126450816 is an abundant number, since it is smaller than the sum of its proper divisors (209435184).

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

126450816 is an equidigital number, since it uses as much as digits as its factorization.

126450816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329316 (or 329304 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 126450816 is about 11245.0351711322. The cubic root of 126450816 is about 501.9269852485.

The spelling of 126450816 in words is "one hundred twenty-six million, four hundred fifty thousand, eight hundred sixteen".