122573570487 has 4 divisors (see below), whose sum is σ = 163431427320. Its totient is φ = 81715713656.

The previous prime is 122573570477. The next prime is 122573570501. The reversal of 122573570487 is 784075375221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784075375221 = 3 ⋅261358458407.

It is a cyclic number.

It is not a de Polignac number, because 122573570487 - 2¹² = 122573566391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122573570417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20428928412 + ... + 20428928417.

It is an arithmetic number, because the mean of its divisors is an integer number (40857856830).

Almost surely, 2^122573570487 is an apocalyptic number.

122573570487 is a deficient number, since it is larger than the sum of its proper divisors (40857856833).

122573570487 is an equidigital number, since it uses as much as digits as its factorization.

122573570487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40857856832.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 122573570487 in words is "one hundred twenty-two billion, five hundred seventy-three million, five hundred seventy thousand, four hundred eighty-seven".