121230502 has 32 divisors (see below), whose sum is σ = 199213344. Its totient is φ = 55104000.

The previous prime is 121230497. The next prime is 121230509. The reversal of 121230502 is 205032121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230509) 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, 147252 + ... + 148072.

It is an arithmetic number, because the mean of its divisors is an integer number (6225417).

Almost surely, 2^121230502 is an apocalyptic number.

121230502 is a deficient number, since it is larger than the sum of its proper divisors (77982842).

121230502 is a wasteful number, since it uses less digits than its factorization.

121230502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121230502 is about 11010.4723786039. The cubic root of 121230502 is about 494.9226175672.

Adding to 121230502 its reverse (205032121), we get a palindrome (326262623).

The spelling of 121230502 in words is "one hundred twenty-one million, two hundred thirty thousand, five hundred two".