121442446 has 16 divisors (see below), whose sum is σ = 185036544. Its totient is φ = 59769144.

The previous prime is 121442443. The next prime is 121442491. The reversal of 121442446 is 644244121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121442443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49771 + ... + 52153.

It is an arithmetic number, because the mean of its divisors is an integer number (11564784).

Almost surely, 2^121442446 is an apocalyptic number.

121442446 is a deficient number, since it is larger than the sum of its proper divisors (63594098).

121442446 is a wasteful number, since it uses less digits than its factorization.

121442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its digits is 6144, while the sum is 28.

The square root of 121442446 is about 11020.0928308250. The cubic root of 121442446 is about 495.2108695829.

Adding to 121442446 its reverse (644244121), we get a palindrome (765686567).

It can be divided in two parts, 1214 and 42446, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 121442446 in words is "one hundred twenty-one million, four hundred forty-two thousand, four hundred forty-six".