100121402 has 8 divisors (see below), whose sum is σ = 150811200. Its totient is φ = 49851004.

The previous prime is 100121387. The next prime is 100121423. The reversal of 100121402 is 204121001.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104252 + ... + 105207.

It is an arithmetic number, because the mean of its divisors is an integer number (18851400).

Almost surely, 2^100121402 is an apocalyptic number.

100121402 is a deficient number, since it is larger than the sum of its proper divisors (50689798).

100121402 is a wasteful number, since it uses less digits than its factorization.

100121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209700.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100121402 is about 10006.0682588117. The cubic root of 100121402 is about 464.3466401241.

Adding to 100121402 its reverse (204121001), we get a palindrome (304242403).

The spelling of 100121402 in words is "one hundred million, one hundred twenty-one thousand, four hundred two".