487616121 has 12 divisors (see below), whose sum is σ = 728622180. Its totient is φ = 313867680.

The previous prime is 487616113. The next prime is 487616149. The reversal of 487616121 is 121616784.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152176896 + 335439225 = 12336^2 + 18315^2 .

It is not a de Polignac number, because 487616121 - 2³ = 487616113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (487616021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933870 + ... + 934391.

It is an arithmetic number, because the mean of its divisors is an integer number (60718515).

Almost surely, 2^487616121 is an apocalyptic number.

It is an amenable number.

487616121 is a deficient number, since it is larger than the sum of its proper divisors (241006059).

487616121 is a wasteful number, since it uses less digits than its factorization.

487616121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868296 (or 1868293 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 487616121 is about 22082.0316320759. The cubic root of 487616121 is about 787.0929427660.

The spelling of 487616121 in words is "four hundred eighty-seven million, six hundred sixteen thousand, one hundred twenty-one".