121232102 has 4 divisors (see below), whose sum is σ = 181848156. Its totient is φ = 60616050.

The previous prime is 121232101. The next prime is 121232119. The reversal of 121232102 is 201232121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232101) by changing a digit.

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, 30308024 + ... + 30308027.

It is an arithmetic number, because the mean of its divisors is an integer number (45462039).

Almost surely, 2^121232102 is an apocalyptic number.

121232102 is a deficient number, since it is larger than the sum of its proper divisors (60616054).

121232102 is an equidigital number, since it uses as much as digits as its factorization.

121232102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60616053.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121232102 is about 11010.5450364639. The cubic root of 121232102 is about 494.9247948870.

Adding to 121232102 its reverse (201232121), we get a palindrome (322464223).

The spelling of 121232102 in words is "one hundred twenty-one million, two hundred thirty-two thousand, one hundred two".