121098533 has 6 divisors (see below), whose sum is σ = 127807974. Its totient is φ = 114724584.

The previous prime is 121098529. The next prime is 121098539. The reversal of 121098533 is 335890121.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 494209 = 10982^2 + 703^2 .

It is not a de Polignac number, because 121098533 - 2² = 121098529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121098533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121098539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167366 + ... + 168087.

It is an arithmetic number, because the mean of its divisors is an integer number (21301329).

Almost surely, 2^121098533 is an apocalyptic number.

It is an amenable number.

121098533 is a deficient number, since it is larger than the sum of its proper divisors (6709441).

121098533 is an equidigital number, since it uses as much as digits as its factorization.

121098533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335491 (or 335472 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 121098533 is about 11004.4778613072. The cubic root of 121098533 is about 494.7429648776.

The spelling of 121098533 in words is "one hundred twenty-one million, ninety-eight thousand, five hundred thirty-three".