121334644 has 12 divisors (see below), whose sum is σ = 224826084. Its totient is φ = 57098624.

The previous prime is 121334623. The next prime is 121334659. The reversal of 121334644 is 446433121.

It can be written as a sum of positive squares in 2 ways, for example, as 43718544 + 77616100 = 6612^2 + 8810^2 .

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 3 ways as a sum of consecutive naturals, for example, 892099 + ... + 892234.

It is an arithmetic number, because the mean of its divisors is an integer number (18735507).

Almost surely, 2^121334644 is an apocalyptic number.

It is an amenable number.

121334644 is a deficient number, since it is larger than the sum of its proper divisors (103491440).

121334644 is a wasteful number, since it uses less digits than its factorization.

121334644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784354 (or 1784352 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 121334644 is about 11015.2005882780. The cubic root of 121334644 is about 495.0642966509.

Adding to 121334644 its reverse (446433121), we get a palindrome (567767765).

The spelling of 121334644 in words is "one hundred twenty-one million, three hundred thirty-four thousand, six hundred forty-four".