998120141 has 8 divisors (see below), whose sum is σ = 1050945120. Its totient is φ = 945324432.

The previous prime is 998120131. The next prime is 998120143. The reversal of 998120141 is 141021899.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998120141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998120143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116966 + ... + 125208.

It is an arithmetic number, because the mean of its divisors is an integer number (131368140).

Almost surely, 2^998120141 is an apocalyptic number.

It is an amenable number.

998120141 is a deficient number, since it is larger than the sum of its proper divisors (52824979).

998120141 is a wasteful number, since it uses less digits than its factorization.

998120141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14635.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 998120141 is about 31593.0394390916. The cubic root of 998120141 is about 999.3729872705.

The spelling of 998120141 in words is "nine hundred ninety-eight million, one hundred twenty thousand, one hundred forty-one".