121517033 has 6 divisors (see below), whose sum is σ = 133568442. Its totient is φ = 110469920.

The previous prime is 121517023. The next prime is 121517083. The reversal of 121517033 is 330715121.

It can be written as a sum of positive squares in only one way, i.e., 109662784 + 11854249 = 10472^2 + 3443^2 .

It is not a de Polignac number, because 121517033 - 2⁴ = 121517017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121517023) 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, 502016 + ... + 502257.

It is an arithmetic number, because the mean of its divisors is an integer number (22261407).

Almost surely, 2^121517033 is an apocalyptic number.

It is an amenable number.

121517033 is a deficient number, since it is larger than the sum of its proper divisors (12051409).

121517033 is a wasteful number, since it uses less digits than its factorization.

121517033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004295 (or 1004284 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 121517033 is about 11023.4764480177. The cubic root of 121517033 is about 495.3122309963.

The spelling of 121517033 in words is "one hundred twenty-one million, five hundred seventeen thousand, thirty-three".