87056122 has 8 divisors (see below), whose sum is σ = 134796672. Its totient is φ = 42123900.

The previous prime is 87056063. The next prime is 87056129. The reversal of 87056122 is 22165078.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (87056129) 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, 702004 + ... + 702127.

It is an arithmetic number, because the mean of its divisors is an integer number (16849584).

Almost surely, 2^87056122 is an apocalyptic number.

87056122 is a deficient number, since it is larger than the sum of its proper divisors (47740550).

87056122 is a wasteful number, since it uses less digits than its factorization.

87056122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404164.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 87056122 is about 9330.3870230554. The cubic root of 87056122 is about 443.2000210970.

It can be divided in two parts, 87056 and 122, that added together give a palindrome (87178).

The spelling of 87056122 in words is "eighty-seven million, fifty-six thousand, one hundred twenty-two".