121000102 has 16 divisors (see below), whose sum is σ = 194013792. Its totient is φ = 56457280.

The previous prime is 121000049. The next prime is 121000123. The reversal of 121000102 is 201000121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30193 + ... + 33964.

It is an arithmetic number, because the mean of its divisors is an integer number (12125862).

Almost surely, 2^121000102 is an apocalyptic number.

121000102 is a deficient number, since it is larger than the sum of its proper divisors (73013690).

121000102 is a wasteful number, since it uses less digits than its factorization.

121000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64223.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 121000102 is about 11000.0046363627. The cubic root of 121000102 is about 494.6088833058.

Adding to 121000102 its reverse (201000121), we get a palindrome (322000223).

The spelling of 121000102 in words is "one hundred twenty-one million, one hundred two", and thus it is an aban number.