121353388 has 12 divisors (see below), whose sum is σ = 228704560. Its totient is φ = 56009232.

The previous prime is 121353373. The next prime is 121353403. The reversal of 121353388 is 883353121.

It is an interprime number because it is at equal distance from previous prime (121353373) and next prime (121353403).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166808 + ... + 1166911.

Almost surely, 2^121353388 is an apocalyptic number.

It is an amenable number.

121353388 is a deficient number, since it is larger than the sum of its proper divisors (107351172).

121353388 is a wasteful number, since it uses less digits than its factorization.

121353388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333736 (or 2333734 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 121353388 is about 11016.0513796914. The cubic root of 121353388 is about 495.0897881540.

The spelling of 121353388 in words is "one hundred twenty-one million, three hundred fifty-three thousand, three hundred eighty-eight".