121441870 has 16 divisors (see below), whose sum is σ = 238467888. Its totient is φ = 44160640.

The previous prime is 121441867. The next prime is 121441889. The reversal of 121441870 is 78144121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551899 + ... + 552118.

It is an arithmetic number, because the mean of its divisors is an integer number (14904243).

Almost surely, 2^121441870 is an apocalyptic number.

121441870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121441870 is a deficient number, since it is larger than the sum of its proper divisors (117026018).

121441870 is a wasteful number, since it uses less digits than its factorization.

121441870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104035.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 121441870 is about 11020.0666967129. The cubic root of 121441870 is about 495.2100866553.

Adding to 121441870 its reverse (78144121), we get a palindrome (199585991).

The spelling of 121441870 in words is "one hundred twenty-one million, four hundred forty-one thousand, eight hundred seventy".