121112050 has 12 divisors (see below), whose sum is σ = 225268506. Its totient is φ = 48444800.

The previous prime is 121112039. The next prime is 121112077. The reversal of 121112050 is 50211121.

It can be written as a sum of positive squares in 3 ways, for example, as 44076321 + 77035729 = 6639^2 + 8777^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121112050.

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 5 ways as a sum of consecutive naturals, for example, 1211071 + ... + 1211170.

Almost surely, 2^121112050 is an apocalyptic number.

121112050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112050 is a deficient number, since it is larger than the sum of its proper divisors (104156456).

121112050 is a wasteful number, since it uses less digits than its factorization.

121112050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422253 (or 2422248 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 121112050 is about 11005.0920032501. The cubic root of 121112050 is about 494.7613719045.

Adding to 121112050 its reverse (50211121), we get a palindrome (171323171).

It can be divided in two parts, 12111 and 2050, that added together give a square (14161 = 119²).

The spelling of 121112050 in words is "one hundred twenty-one million, one hundred twelve thousand, fifty".