121363355 has 32 divisors (see below), whose sum is σ = 157747200. Its totient is φ = 89361792.

The previous prime is 121363351. The next prime is 121363373. The reversal of 121363355 is 553363121.

It is a cyclic number.

It is not a de Polignac number, because 121363355 - 2² = 121363351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121363351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772937 + ... + 773093.

It is an arithmetic number, because the mean of its divisors is an integer number (4929600).

Almost surely, 2^121363355 is an apocalyptic number.

121363355 is a deficient number, since it is larger than the sum of its proper divisors (36383845).

121363355 is a wasteful number, since it uses less digits than its factorization.

121363355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its digits is 8100, while the sum is 29.

The square root of 121363355 is about 11016.5037557294. The cubic root of 121363355 is about 495.1033420260.

The spelling of 121363355 in words is "one hundred twenty-one million, three hundred sixty-three thousand, three hundred fifty-five".