481126861 has 2 divisors, whose sum is σ = 481126862. Its totient is φ = 481126860.

The previous prime is 481126831. The next prime is 481126901. The reversal of 481126861 is 168621184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416404836 + 64722025 = 20406^2 + 8045^2 .

It is a cyclic number.

It is not a de Polignac number, because 481126861 - 2⁵ = 481126829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481126861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481126831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240563430 + 240563431.

It is an arithmetic number, because the mean of its divisors is an integer number (240563431).

Almost surely, 2^481126861 is an apocalyptic number.

It is an amenable number.

481126861 is a deficient number, since it is larger than the sum of its proper divisors (1).

481126861 is an equidigital number, since it uses as much as digits as its factorization.

481126861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 481126861 is about 21934.6041906390. The cubic root of 481126861 is about 783.5857593401.

The spelling of 481126861 in words is "four hundred eighty-one million, one hundred twenty-six thousand, eight hundred sixty-one".