121341165 has 32 divisors (see below), whose sum is σ = 212927616. Its totient is φ = 58517760.

The previous prime is 121341149. The next prime is 121341179. The reversal of 121341165 is 561143121.

It is a happy number.

It is not a de Polignac number, because 121341165 - 2⁴ = 121341149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30639 + ... + 34371.

It is an arithmetic number, because the mean of its divisors is an integer number (6653988).

Almost surely, 2^121341165 is an apocalyptic number.

121341165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121341165 is a deficient number, since it is larger than the sum of its proper divisors (91586451).

121341165 is a wasteful number, since it uses less digits than its factorization.

121341165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its digits is 720, while the sum is 24.

The square root of 121341165 is about 11015.4965843579. The cubic root of 121341165 is about 495.0731653915.

Adding to 121341165 its reverse (561143121), we get a palindrome (682484286).

The spelling of 121341165 in words is "one hundred twenty-one million, three hundred forty-one thousand, one hundred sixty-five".