121652117 has 16 divisors (see below), whose sum is σ = 133235520. Its totient is φ = 110678400.

The previous prime is 121652107. The next prime is 121652123. The reversal of 121652117 is 711256121.

It is not a de Polignac number, because 121652117 - 2¹⁰ = 121651093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121652107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48617 + ... + 51057.

It is an arithmetic number, because the mean of its divisors is an integer number (8327220).

Almost surely, 2^121652117 is an apocalyptic number.

It is an amenable number.

121652117 is a deficient number, since it is larger than the sum of its proper divisors (11583403).

121652117 is a wasteful number, since it uses less digits than its factorization.

121652117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its digits is 840, while the sum is 26.

The square root of 121652117 is about 11029.6018513816. The cubic root of 121652117 is about 495.4957004192.

The spelling of 121652117 in words is "one hundred twenty-one million, six hundred fifty-two thousand, one hundred seventeen".