87654122 has 4 divisors (see below), whose sum is σ = 131481186. Its totient is φ = 43827060.

The previous prime is 87654121. The next prime is 87654131. The reversal of 87654122 is 22145678.

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., 85914361 + 1739761 = 9269^2 + 1319^2 .

It is not an unprimeable number, because it can be changed into a prime (87654121) by changing a digit.

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, 21913529 + ... + 21913532.

Almost surely, 2^87654122 is an apocalyptic number.

87654122 is a deficient number, since it is larger than the sum of its proper divisors (43827064).

87654122 is a wasteful number, since it uses less digits than its factorization.

87654122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43827063.

The product of its digits is 26880, while the sum is 35.

The square root of 87654122 is about 9362.3780098862. The cubic root of 87654122 is about 444.2125061528.

The spelling of 87654122 in words is "eighty-seven million, six hundred fifty-four thousand, one hundred twenty-two".