126352620 has 72 divisors (see below), whose sum is σ = 389027184. Its totient is φ = 33187968.

The previous prime is 126352609. The next prime is 126352627. The reversal of 126352620 is 26253621.

126352620 is a `hidden beast` number, since 1 + 2 + 6 + 35 + 2 + 620 = 666.

It is not an unprimeable number, because it can be changed into a prime (126352627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6822 + ... + 17298.

Almost surely, 2^126352620 is an apocalyptic number.

126352620 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 126352620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194513592).

126352620 is an abundant number, since it is smaller than the sum of its proper divisors (262674564).

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

126352620 is a wasteful number, since it uses less digits than its factorization.

126352620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10559 (or 10554 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 126352620 is about 11240.6681296087. The cubic root of 126352620 is about 501.7970269838.

The spelling of 126352620 in words is "one hundred twenty-six million, three hundred fifty-two thousand, six hundred twenty".