121053259 has 4 divisors (see below), whose sum is σ = 122511816. Its totient is φ = 119594704.

The previous prime is 121053253. The next prime is 121053263. The reversal of 121053259 is 952350121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121053259 - 2⁷ = 121053131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121053253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729154 + ... + 729319.

It is an arithmetic number, because the mean of its divisors is an integer number (30627954).

Almost surely, 2^121053259 is an apocalyptic number.

121053259 is a deficient number, since it is larger than the sum of its proper divisors (1458557).

121053259 is an equidigital number, since it uses as much as digits as its factorization.

121053259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458556.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 121053259 is about 11002.4205973049. The cubic root of 121053259 is about 494.6813021847.

The spelling of 121053259 in words is "one hundred twenty-one million, fifty-three thousand, two hundred fifty-nine".