89561124 has 18 divisors (see below), whose sum is σ = 226390710. Its totient is φ = 29853696.

The previous prime is 89561123. The next prime is 89561137. The reversal of 89561124 is 42116598.

89561124 is a `hidden beast` number, since 89 + 561 + 12 + 4 = 666.

89561124 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 8020224 = 9030^2 + 2832^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2487809 = 89561124 / (8 + 9 + 5 + 6 + 1 + 1 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (89561123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1243869 + ... + 1243940.

Almost surely, 2^89561124 is an apocalyptic number.

It is an amenable number.

89561124 is an abundant number, since it is smaller than the sum of its proper divisors (136829586).

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

89561124 is a wasteful number, since it uses less digits than its factorization.

89561124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487819 (or 2487814 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 89561124 is about 9463.6739166140. The cubic root of 89561124 is about 447.4108499833.

The spelling of 89561124 in words is "eighty-nine million, five hundred sixty-one thousand, one hundred twenty-four".