121453033 has 6 divisors (see below), whose sum is σ = 131514414. Its totient is φ = 112110336.

The previous prime is 121453001. The next prime is 121453043. The reversal of 121453033 is 330354121.

It can be written as a sum of positive squares in 3 ways, for example, as 2795584 + 118657449 = 1672^2 + 10893^2 .

It is not a de Polignac number, because 121453033 - 2⁵ = 121453001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121452995 and 121453013.

It is not an unprimeable number, because it can be changed into a prime (121453043) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 359160 + ... + 359497.

It is an arithmetic number, because the mean of its divisors is an integer number (21919069).

Almost surely, 2^121453033 is an apocalyptic number.

121453033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121453033 is a deficient number, since it is larger than the sum of its proper divisors (10061381).

121453033 is an equidigital number, since it uses as much as digits as its factorization.

121453033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718683 (or 718670 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 121453033 is about 11020.5731702122. The cubic root of 121453033 is about 495.2252595136.

The spelling of 121453033 in words is "one hundred twenty-one million, four hundred fifty-three thousand, thirty-three".