122589487 has 8 divisors (see below), whose sum is σ = 123489360. Its totient is φ = 121693440.

The previous prime is 122589449. The next prime is 122589497. The reversal of 122589487 is 784985221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122589487 - 2⁷ = 122589359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122589427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94312 + ... + 95602.

It is an arithmetic number, because the mean of its divisors is an integer number (15436170).

Almost surely, 2^122589487 is an apocalyptic number.

122589487 is a deficient number, since it is larger than the sum of its proper divisors (899873).

122589487 is a wasteful number, since it uses less digits than its factorization.

122589487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its digits is 322560, while the sum is 46.

The square root of 122589487 is about 11072.0136831563. The cubic root of 122589487 is about 496.7650986288.

The spelling of 122589487 in words is "one hundred twenty-two million, five hundred eighty-nine thousand, four hundred eighty-seven".