487654187122 has 4 divisors (see below), whose sum is σ = 731481280686. Its totient is φ = 243827093560.

The previous prime is 487654187087. The next prime is 487654187177. The reversal of 487654187122 is 221781456784.

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., 477410520601 + 10243666521 = 690949^2 + 101211^2 .

It is an unprimeable number.

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, 121913546779 + ... + 121913546782.

Almost surely, 2^487654187122 is an apocalyptic number.

487654187122 is a deficient number, since it is larger than the sum of its proper divisors (243827093564).

487654187122 is a wasteful number, since it uses less digits than its factorization.

487654187122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243827093563.

The product of its digits is 6021120, while the sum is 55.

The spelling of 487654187122 in words is "four hundred eighty-seven billion, six hundred fifty-four million, one hundred eighty-seven thousand, one hundred twenty-two".