98148121 has 4 divisors (see below), whose sum is σ = 98239012. Its totient is φ = 98057232.

The previous prime is 98148119. The next prime is 98148131. The reversal of 98148121 is 12184189.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65028096 + 33120025 = 8064^2 + 5755^2 .

It is a cyclic number.

It is not a de Polignac number, because 98148121 - 2¹ = 98148119 is a prime.

It is a super-4 number, since 4×98148121⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98148101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43806 + ... + 45991.

It is an arithmetic number, because the mean of its divisors is an integer number (24559753).

Almost surely, 2^98148121 is an apocalyptic number.

98148121 is the 5296-th centered heptagonal number.

It is an amenable number.

98148121 is a deficient number, since it is larger than the sum of its proper divisors (90891).

98148121 is a wasteful number, since it uses less digits than its factorization.

98148121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90890.

The product of its digits is 4608, while the sum is 34.

The square root of 98148121 is about 9906.9733521394. The cubic root of 98148121 is about 461.2757920179.

The spelling of 98148121 in words is "ninety-eight million, one hundred forty-eight thousand, one hundred twenty-one".