126876730 has 8 divisors (see below), whose sum is σ = 228378132. Its totient is φ = 50750688.

The previous prime is 126876721. The next prime is 126876731. The reversal of 126876730 is 37678621.

It can be written as a sum of positive squares in 2 ways, for example, as 111028369 + 15848361 = 10537^2 + 3981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126876731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6343827 + ... + 6343846.

Almost surely, 2^126876730 is an apocalyptic number.

126876730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126876730 is a deficient number, since it is larger than the sum of its proper divisors (101501402).

126876730 is a wasteful number, since it uses less digits than its factorization.

126876730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687680.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 126876730 is about 11263.9571199468. The cubic root of 126876730 is about 502.4898870105.

The spelling of 126876730 in words is "one hundred twenty-six million, eight hundred seventy-six thousand, seven hundred thirty".