126049920 has 64 divisors (see below), whose sum is σ = 401790240. Its totient is φ = 33612800.

The previous prime is 126049909. The next prime is 126049943. The reversal of 126049920 is 29940621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30906 + ... + 34745.

Almost surely, 2^126049920 is an apocalyptic number.

126049920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126049920 is an abundant number, since it is smaller than the sum of its proper divisors (275740320).

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

126049920 is an equidigital number, since it uses as much as digits as its factorization.

126049920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65673 (or 65661 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 126049920 is about 11227.1955536545. The cubic root of 126049920 is about 501.3959921180.

The spelling of 126049920 in words is "one hundred twenty-six million, forty-nine thousand, nine hundred twenty".