11765121 has 8 divisors (see below), whose sum is σ = 16368960. Its totient is φ = 7502352.

The previous prime is 11765111. The next prime is 11765141. The reversal of 11765121 is 12156711.

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

It is not a de Polignac number, because 11765121 - 2⁶ = 11765057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11765091 and 11765100.

It is not an unprimeable number, because it can be changed into a prime (11765111) 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, 85186 + ... + 85323.

It is an arithmetic number, because the mean of its divisors is an integer number (2046120).

Almost surely, 2^11765121 is an apocalyptic number.

It is an amenable number.

11765121 is a deficient number, since it is larger than the sum of its proper divisors (4603839).

11765121 is a wasteful number, since it uses less digits than its factorization.

11765121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170535.

The product of its digits is 420, while the sum is 24.

The square root of 11765121 is about 3430.0322155922. The cubic root of 11765121 is about 227.4392769546.

The spelling of 11765121 in words is "eleven million, seven hundred sixty-five thousand, one hundred twenty-one".