121313008 has 10 divisors (see below), whose sum is σ = 235043984. Its totient is φ = 60656496.

The previous prime is 121312999. The next prime is 121313009. The reversal of 121313008 is 800313121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3791016 + ... + 3791047.

Almost surely, 2^121313008 is an apocalyptic number.

It is an amenable number.

121313008 is a deficient number, since it is larger than the sum of its proper divisors (113730976).

121313008 is an equidigital number, since it uses as much as digits as its factorization.

121313008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582071 (or 7582065 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 121313008 is about 11014.2184470801. The cubic root of 121313008 is about 495.0348688154.

Adding to 121313008 its reverse (800313121), we get a palindrome (921626129).

The spelling of 121313008 in words is "one hundred twenty-one million, three hundred thirteen thousand, eight".