121244806 has 4 divisors (see below), whose sum is σ = 181867212. Its totient is φ = 60622402.

The previous prime is 121244777. The next prime is 121244807. The reversal of 121244806 is 608442121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30311200 + ... + 30311203.

It is an arithmetic number, because the mean of its divisors is an integer number (45466803).

Almost surely, 2^121244806 is an apocalyptic number.

121244806 is a deficient number, since it is larger than the sum of its proper divisors (60622406).

121244806 is an equidigital number, since it uses as much as digits as its factorization.

121244806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60622405.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 121244806 is about 11011.1219228560. The cubic root of 121244806 is about 494.9420821260.

Adding to 121244806 its reverse (608442121), we get a palindrome (729686927).

The spelling of 121244806 in words is "one hundred twenty-one million, two hundred forty-four thousand, eight hundred six".