8998121041 has 32 divisors (see below), whose sum is σ = 11285277696. Its totient is φ = 6984576000.

The previous prime is 8998121003. The next prime is 8998121053. The reversal of 8998121041 is 1401218998.

It is a happy number.

8998121041 is nontrivially palindromic in base 12.

It is a cyclic number.

It is not a de Polignac number, because 8998121041 - 2⁷ = 8998120913 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8998121081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2390601 + ... + 2394361.

It is an arithmetic number, because the mean of its divisors is an integer number (352664928).

Almost surely, 2^8998121041 is an apocalyptic number.

It is an amenable number.

8998121041 is a deficient number, since it is larger than the sum of its proper divisors (2287156655).

8998121041 is a wasteful number, since it uses less digits than its factorization.

8998121041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8998121041 is about 94858.4263046779. The cubic root of 8998121041 is about 2079.9390577097.

The spelling of 8998121041 in words is "eight billion, nine hundred ninety-eight million, one hundred twenty-one thousand, forty-one".