87451122 has 16 divisors (see below), whose sum is σ = 190802592. Its totient is φ = 26500320.

The previous prime is 87451109. The next prime is 87451123. The reversal of 87451122 is 22115478.

It is a self number, because there is not a number n which added to its sum of digits gives 87451122.

It is not an unprimeable number, because it can be changed into a prime (87451123) 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, 662443 + ... + 662574.

It is an arithmetic number, because the mean of its divisors is an integer number (11925162).

Almost surely, 2^87451122 is an apocalyptic number.

87451122 is an abundant number, since it is smaller than the sum of its proper divisors (103351470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87451122 is a wasteful number, since it uses less digits than its factorization.

87451122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325033.

The product of its digits is 4480, while the sum is 30.

The square root of 87451122 is about 9351.5304629777. The cubic root of 87451122 is about 443.8693207660.

The spelling of 87451122 in words is "eighty-seven million, four hundred fifty-one thousand, one hundred twenty-two".