121093565 has 8 divisors (see below), whose sum is σ = 145560888. Its totient is φ = 96709120.

The previous prime is 121093561. The next prime is 121093613. The reversal of 121093565 is 565390121.

It can be written as a sum of positive squares in 4 ways, for example, as 41847961 + 79245604 = 6469^2 + 8902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121093565 - 2² = 121093561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121093561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17456 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (18195111).

Almost surely, 2^121093565 is an apocalyptic number.

It is an amenable number.

121093565 is a deficient number, since it is larger than the sum of its proper divisors (24467323).

121093565 is an equidigital number, since it uses as much as digits as its factorization.

121093565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41439.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 121093565 is about 11004.2521326985. The cubic root of 121093565 is about 494.7361992667.

The spelling of 121093565 in words is "one hundred twenty-one million, ninety-three thousand, five hundred sixty-five".