487122841 has 4 divisors (see below), whose sum is σ = 496313892. Its totient is φ = 477931792.

The previous prime is 487122827. The next prime is 487122901. The reversal of 487122841 is 148221784.

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 2 ways, for example, as 265559616 + 221563225 = 16296^2 + 14885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487122841 is a prime.

It is a super-2 number, since 2×487122841² = 474577324447822562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487122841.

It is not an unprimeable number, because it can be changed into a prime (487122341) 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, 4595446 + ... + 4595551.

It is an arithmetic number, because the mean of its divisors is an integer number (124078473).

Almost surely, 2^487122841 is an apocalyptic number.

It is an amenable number.

487122841 is a deficient number, since it is larger than the sum of its proper divisors (9191051).

487122841 is an equidigital number, since it uses as much as digits as its factorization.

487122841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191050.

The product of its digits is 28672, while the sum is 37.

The square root of 487122841 is about 22070.8595437513. The cubic root of 487122841 is about 786.8274414245.

The spelling of 487122841 in words is "four hundred eighty-seven million, one hundred twenty-two thousand, eight hundred forty-one".