126805834 has 4 divisors (see below), whose sum is σ = 190208754. Its totient is φ = 63402916.

The previous prime is 126805813. The next prime is 126805837. The reversal of 126805834 is 438508621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111619225 + 15186609 = 10565^2 + 3897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126805793 and 126805802.

It is not an unprimeable number, because it can be changed into a prime (126805837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31701457 + ... + 31701460.

Almost surely, 2^126805834 is an apocalyptic number.

126805834 is a deficient number, since it is larger than the sum of its proper divisors (63402920).

126805834 is an equidigital number, since it uses as much as digits as its factorization.

126805834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63402919.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 126805834 is about 11260.8096511752. The cubic root of 126805834 is about 502.3962760426.

The spelling of 126805834 in words is "one hundred twenty-six million, eight hundred five thousand, eight hundred thirty-four".