121271008 has 48 divisors (see below), whose sum is σ = 252274176. Its totient is φ = 57294720.

The previous prime is 121270999. The next prime is 121271009. The reversal of 121271008 is 800172121.

It is a self number, because there is not a number n which added to its sum of digits gives 121271008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121271009) 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, 41235 + ... + 44077.

It is an arithmetic number, because the mean of its divisors is an integer number (5255712).

Almost surely, 2^121271008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121271008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126137088).

121271008 is an abundant number, since it is smaller than the sum of its proper divisors (131003168).

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

121271008 is a wasteful number, since it uses less digits than its factorization.

121271008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 121271008 is about 11012.3116555971. The cubic root of 121271008 is about 494.9777332432.

The spelling of 121271008 in words is "one hundred twenty-one million, two hundred seventy-one thousand, eight".