121354353 has 12 divisors (see below), whose sum is σ = 177906768. Its totient is φ = 79695000.

The previous prime is 121354351. The next prime is 121354369. The reversal of 121354353 is 353453121.

It is not a de Polignac number, because 121354353 - 2¹ = 121354351 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121354351) 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, 100023 + ... + 101228.

It is an arithmetic number, because the mean of its divisors is an integer number (14825564).

Almost surely, 2^121354353 is an apocalyptic number.

It is an amenable number.

121354353 is a deficient number, since it is larger than the sum of its proper divisors (56552415).

121354353 is a wasteful number, since it uses less digits than its factorization.

121354353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201324 (or 201321 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 121354353 is about 11016.0951793274. The cubic root of 121354353 is about 495.0911004657.

The spelling of 121354353 in words is "one hundred twenty-one million, three hundred fifty-four thousand, three hundred fifty-three".