121055853 has 8 divisors (see below), whose sum is σ = 161673568. Its totient is φ = 80571024.

The previous prime is 121055843. The next prime is 121055863. The reversal of 121055853 is 358550121.

It is an interprime number because it is at equal distance from previous prime (121055843) and next prime (121055863).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121055853 - 2⁶ = 121055789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121055853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121055813) 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, 31075 + ... + 34752.

It is an arithmetic number, because the mean of its divisors is an integer number (20209196).

Almost surely, 2^121055853 is an apocalyptic number.

It is an amenable number.

121055853 is a deficient number, since it is larger than the sum of its proper divisors (40617715).

121055853 is an equidigital number, since it uses as much as digits as its factorization.

121055853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66443.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 121055853 is about 11002.5384798236. The cubic root of 121055853 is about 494.6848355995.

The spelling of 121055853 in words is "one hundred twenty-one million, fifty-five thousand, eight hundred fifty-three".