121422544 has 20 divisors (see below), whose sum is σ = 236759524. Its totient is φ = 60323328.

The previous prime is 121422529. The next prime is 121422547. The reversal of 121422544 is 445224121.

It can be written as a sum of positive squares in 2 ways, for example, as 72590400 + 48832144 = 8520^2 + 6988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121422547) 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 3 ways as a sum of consecutive naturals, for example, 21657 + ... + 26680.

Almost surely, 2^121422544 is an apocalyptic number.

It is an amenable number.

121422544 is a deficient number, since it is larger than the sum of its proper divisors (115336980).

121422544 is a wasteful number, since it uses less digits than its factorization.

121422544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48502 (or 48496 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 121422544 is about 11019.1898068778. The cubic root of 121422544 is about 495.1838163697.

Adding to 121422544 its reverse (445224121), we get a palindrome (566646665).

The spelling of 121422544 in words is "one hundred twenty-one million, four hundred twenty-two thousand, five hundred forty-four".