121627165 has 16 divisors (see below), whose sum is σ = 159921216. Its totient is φ = 88067200.

The previous prime is 121627153. The next prime is 121627171. The reversal of 121627165 is 561726121.

It is not a de Polignac number, because 121627165 - 2¹¹ = 121625117 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 15 ways as a sum of consecutive naturals, for example, 8070 + ... + 17560.

It is an arithmetic number, because the mean of its divisors is an integer number (9995076).

Almost surely, 2^121627165 is an apocalyptic number.

It is an amenable number.

121627165 is a deficient number, since it is larger than the sum of its proper divisors (38294051).

121627165 is a wasteful number, since it uses less digits than its factorization.

121627165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740.

The product of its digits is 5040, while the sum is 31.

The square root of 121627165 is about 11028.4706555352. The cubic root of 121627165 is about 495.4618211509.

The spelling of 121627165 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, one hundred sixty-five".