121228371 has 12 divisors (see below), whose sum is σ = 191026680. Its totient is φ = 73471680.

The previous prime is 121228361. The next prime is 121228403. The reversal of 121228371 is 173822121.

It is not a de Polignac number, because 121228371 - 2⁵ = 121228339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121228361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612166 + ... + 612363.

It is an arithmetic number, because the mean of its divisors is an integer number (15918890).

Almost surely, 2^121228371 is an apocalyptic number.

121228371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121228371 is a deficient number, since it is larger than the sum of its proper divisors (69798309).

121228371 is a wasteful number, since it uses less digits than its factorization.

121228371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224546 (or 1224543 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 121228371 is about 11010.3756066721. The cubic root of 121228371 is about 494.9197176197.

The spelling of 121228371 in words is "one hundred twenty-one million, two hundred twenty-eight thousand, three hundred seventy-one".