121502050 has 48 divisors (see below), whose sum is σ = 233020800. Its totient is φ = 47111360.

The previous prime is 121502041. The next prime is 121502137. The reversal of 121502050 is 50205121.

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 in 23 ways as a sum of consecutive naturals, for example, 349977 + ... + 350323.

It is an arithmetic number, because the mean of its divisors is an integer number (4854600).

Almost surely, 2^121502050 is an apocalyptic number.

121502050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121502050 is a deficient number, since it is larger than the sum of its proper divisors (111518750).

121502050 is a wasteful number, since it uses less digits than its factorization.

121502050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 121502050 is about 11022.7968320204. The cubic root of 121502050 is about 495.2918728950.

Adding to 121502050 its reverse (50205121), we get a palindrome (171707171).

The spelling of 121502050 in words is "one hundred twenty-one million, five hundred two thousand, fifty".