121132105 has 4 divisors (see below), whose sum is σ = 145358532. Its totient is φ = 96905680.

The previous prime is 121132079. The next prime is 121132127. The reversal of 121132105 is 501231121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78517321 + 42614784 = 8861^2 + 6528^2 .

It is not a de Polignac number, because 121132105 - 2⁵ = 121132073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113206 + ... + 12113215.

It is an arithmetic number, because the mean of its divisors is an integer number (36339633).

Almost surely, 2^121132105 is an apocalyptic number.

It is an amenable number.

121132105 is a deficient number, since it is larger than the sum of its proper divisors (24226427).

121132105 is an equidigital number, since it uses as much as digits as its factorization.

121132105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226426.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 121132105 is about 11006.0031346534. The cubic root of 121132105 is about 494.7886796515.

Adding to 121132105 its reverse (501231121), we get a palindrome (622363226).

The spelling of 121132105 in words is "one hundred twenty-one million, one hundred thirty-two thousand, one hundred five".