126330534 has 48 divisors (see below), whose sum is σ = 301124304. Its totient is φ = 38274720.

The previous prime is 126330527. The next prime is 126330539. The reversal of 126330534 is 435033621.

It is a happy number.

126330534 is a `hidden beast` number, since 126 + 3 + 3 + 0 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 126330498 and 126330507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126330539) 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, 21322 + ... + 26594.

It is an arithmetic number, because the mean of its divisors is an integer number (6273423).

Almost surely, 2^126330534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126330534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150562152).

126330534 is an abundant number, since it is smaller than the sum of its proper divisors (174793770).

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

126330534 is a wasteful number, since it uses less digits than its factorization.

126330534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 126330534 is about 11239.6856717615. The cubic root of 126330534 is about 501.7677878198.

The spelling of 126330534 in words is "one hundred twenty-six million, three hundred thirty thousand, five hundred thirty-four".