126032730 has 64 divisors (see below), whose sum is σ = 328976640. Its totient is φ = 30772224.

The previous prime is 126032723. The next prime is 126032743. The reversal of 126032730 is 37230621.

It is a self number, because there is not a number n which added to its sum of digits gives 126032730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15531 + ... + 22209.

It is an arithmetic number, because the mean of its divisors is an integer number (5140260).

Almost surely, 2^126032730 is an apocalyptic number.

126032730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126032730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164488320).

126032730 is an abundant number, since it is smaller than the sum of its proper divisors (202943910).

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

126032730 is a wasteful number, since it uses less digits than its factorization.

126032730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 126032730 is about 11226.4299757314. The cubic root of 126032730 is about 501.3731985324.

The spelling of 126032730 in words is "one hundred twenty-six million, thirty-two thousand, seven hundred thirty".