100121298 has 32 divisors (see below), whose sum is σ = 211472640. Its totient is φ = 31513680.

The previous prime is 100121269. The next prime is 100121299. The reversal of 100121298 is 892121001.

It is not an unprimeable number, because it can be changed into a prime (100121299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38293 + ... + 40823.

It is an arithmetic number, because the mean of its divisors is an integer number (6608520).

Almost surely, 2^100121298 is an apocalyptic number.

100121298 is an abundant number, since it is smaller than the sum of its proper divisors (111351342).

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

100121298 is a wasteful number, since it uses less digits than its factorization.

100121298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 100121298 is about 10006.0630619640. The cubic root of 100121298 is about 464.3464793458.

Adding to 100121298 its reverse (892121001), we get a palindrome (992242299).

The spelling of 100121298 in words is "one hundred million, one hundred twenty-one thousand, two hundred ninety-eight".