121444010 has 24 divisors (see below), whose sum is σ = 230716836. Its totient is φ = 46019520.

The previous prime is 121443989. The next prime is 121444013. The reversal of 121444010 is 10444121.

It can be written as a sum of positive squares in 2 ways, for example, as 120187369 + 1256641 = 10963^2 + 1121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121444010.

It is not an unprimeable number, because it can be changed into a prime (121444013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13211 + ... + 20430.

Almost surely, 2^121444010 is an apocalyptic number.

121444010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121444010 is a deficient number, since it is larger than the sum of its proper divisors (109272826).

121444010 is a wasteful number, since it uses less digits than its factorization.

121444010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33686 (or 33667 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121444010 is about 11020.1637918862. The cubic root of 121444010 is about 495.2129954362.

Adding to 121444010 its reverse (10444121), we get a palindrome (131888131).

The spelling of 121444010 in words is "one hundred twenty-one million, four hundred forty-four thousand, ten".