126576720 has 240 divisors, whose sum is σ = 451256832. Its totient is φ = 31749120.

The previous prime is 126576719. The next prime is 126576721. The reversal of 126576720 is 27675621.

126576720 is a `hidden beast` number, since 12 + 6 + 576 + 72 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (126576719) and next prime (126576721).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126576721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1182907 + ... + 1183013.

Almost surely, 2^126576720 is an apocalyptic number.

126576720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126576720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225628416).

126576720 is an abundant number, since it is smaller than the sum of its proper divisors (324680112).

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

126576720 is a wasteful number, since it uses less digits than its factorization.

126576720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 126576720 is about 11250.6319822488. The cubic root of 126576720 is about 502.0935154852.

The spelling of 126576720 in words is "one hundred twenty-six million, five hundred seventy-six thousand, seven hundred twenty".