121443006 has 16 divisors (see below), whose sum is σ = 245292048. Its totient is φ = 40080000.

The previous prime is 121443001. The next prime is 121443031. The reversal of 121443006 is 600344121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121443001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99595 + ... + 100806.

It is an arithmetic number, because the mean of its divisors is an integer number (15330753).

Almost surely, 2^121443006 is an apocalyptic number.

121443006 is an abundant number, since it is smaller than the sum of its proper divisors (123849042).

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

121443006 is a wasteful number, since it uses less digits than its factorization.

121443006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200507.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 121443006 is about 11020.1182389301. The cubic root of 121443006 is about 495.2116307601.

Adding to 121443006 its reverse (600344121), we get a palindrome (721787127).

The spelling of 121443006 in words is "one hundred twenty-one million, four hundred forty-three thousand, six".