121415102 has 4 divisors (see below), whose sum is σ = 182122656. Its totient is φ = 60707550.

The previous prime is 121415087. The next prime is 121415117. The reversal of 121415102 is 201514121.

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

It is an interprime number because it is at equal distance from previous prime (121415087) and next prime (121415117).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30353774 + ... + 30353777.

It is an arithmetic number, because the mean of its divisors is an integer number (45530664).

Almost surely, 2^121415102 is an apocalyptic number.

121415102 is a deficient number, since it is larger than the sum of its proper divisors (60707554).

121415102 is an equidigital number, since it uses as much as digits as its factorization.

121415102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60707553.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 121415102 is about 11018.8521180747. The cubic root of 121415102 is about 495.1736995409.

Adding to 121415102 its reverse (201514121), we get a palindrome (322929223).

The spelling of 121415102 in words is "one hundred twenty-one million, four hundred fifteen thousand, one hundred two".