121444544 has 28 divisors (see below), whose sum is σ = 259531104. Its totient is φ = 56050944.

The previous prime is 121444537. The next prime is 121444553. The reversal of 121444544 is 445444121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72152 + ... + 73815.

It is an arithmetic number, because the mean of its divisors is an integer number (9268968).

Almost surely, 2^121444544 is an apocalyptic number.

It is an amenable number.

121444544 is an abundant number, since it is smaller than the sum of its proper divisors (138086560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121444544 is a wasteful number, since it uses less digits than its factorization.

121444544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145992 (or 145982 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 121444544 is about 11020.1880201746. The cubic root of 121444544 is about 495.2137212668.

Adding to 121444544 its reverse (445444121), we get a palindrome (566888665).

The spelling of 121444544 in words is "one hundred twenty-one million, four hundred forty-four thousand, five hundred forty-four".