121453115 has 24 divisors (see below), whose sum is σ = 170157312. Its totient is φ = 82978560.

The previous prime is 121453091. The next prime is 121453121. The reversal of 121453115 is 511354121.

It is not a de Polignac number, because 121453115 - 2¹⁰ = 121452091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81830 + ... + 83300.

It is an arithmetic number, because the mean of its divisors is an integer number (7089888).

Almost surely, 2^121453115 is an apocalyptic number.

121453115 is a deficient number, since it is larger than the sum of its proper divisors (48704197).

121453115 is a wasteful number, since it uses less digits than its factorization.

121453115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1820 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 121453115 is about 11020.5768905262. The cubic root of 121453115 is about 495.2253709653.

The spelling of 121453115 in words is "one hundred twenty-one million, four hundred fifty-three thousand, one hundred fifteen".