126436020 has 48 divisors (see below), whose sum is σ = 354560640. Its totient is φ = 33664896.

The previous prime is 126436001. The next prime is 126436081. The reversal of 126436020 is 20634621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53994 + ... + 56286.

It is an arithmetic number, because the mean of its divisors is an integer number (7386680).

Almost surely, 2^126436020 is an apocalyptic number.

126436020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126436020 is an abundant number, since it is smaller than the sum of its proper divisors (228124620).

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

126436020 is a wasteful number, since it uses less digits than its factorization.

126436020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 126436020 is about 11244.3772615472. The cubic root of 126436020 is about 501.9074076726.

The spelling of 126436020 in words is "one hundred twenty-six million, four hundred thirty-six thousand, twenty".