121453017 has 12 divisors (see below), whose sum is σ = 188376336. Its totient is φ = 69401640.

The previous prime is 121453001. The next prime is 121453043. The reversal of 121453017 is 710354121.

It is not a de Polignac number, because 121453017 - 2⁴ = 121453001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121453517) 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 11 ways as a sum of consecutive naturals, for example, 412959 + ... + 413252.

It is an arithmetic number, because the mean of its divisors is an integer number (15698028).

Almost surely, 2^121453017 is an apocalyptic number.

It is an amenable number.

121453017 is a deficient number, since it is larger than the sum of its proper divisors (66923319).

121453017 is an equidigital number, since it uses as much as digits as its factorization.

121453017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826228 (or 826221 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 121453017 is about 11020.5724442971. The cubic root of 121453017 is about 495.2252377669.

The spelling of 121453017 in words is "one hundred twenty-one million, four hundred fifty-three thousand, seventeen".