126820283 has 4 divisors (see below), whose sum is σ = 128245320. Its totient is φ = 125395248.

The previous prime is 126820279. The next prime is 126820297. The reversal of 126820283 is 382028621.

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

It is a cyclic number.

It is not a de Polignac number, because 126820283 - 2² = 126820279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126828283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712385 + ... + 712562.

It is an arithmetic number, because the mean of its divisors is an integer number (32061330).

Almost surely, 2^126820283 is an apocalyptic number.

126820283 is a deficient number, since it is larger than the sum of its proper divisors (1425037).

126820283 is an equidigital number, since it uses as much as digits as its factorization.

126820283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425036.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 126820283 is about 11261.4511942289. The cubic root of 126820283 is about 502.4153573100.

The spelling of 126820283 in words is "one hundred twenty-six million, eight hundred twenty thousand, two hundred eighty-three".