121132441 has 4 divisors (see below), whose sum is σ = 122591952. Its totient is φ = 119672932.

The previous prime is 121132423. The next prime is 121132483. The reversal of 121132441 is 144231121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144231121 = 9199 ⋅15679.

It is a cyclic number.

It is not a de Polignac number, because 121132441 - 2⁹ = 121131929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121132411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729631 + ... + 729796.

It is an arithmetic number, because the mean of its divisors is an integer number (30647988).

Almost surely, 2^121132441 is an apocalyptic number.

It is an amenable number.

121132441 is a deficient number, since it is larger than the sum of its proper divisors (1459511).

121132441 is an equidigital number, since it uses as much as digits as its factorization.

121132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459510.

The product of its digits is 192, while the sum is 19.

The square root of 121132441 is about 11006.0183990397. The cubic root of 121132441 is about 494.7891371378.

Adding to 121132441 its reverse (144231121), we get a palindrome (265363562).

The spelling of 121132441 in words is "one hundred twenty-one million, one hundred thirty-two thousand, four hundred forty-one".