121451132041 has 4 divisors (see below), whose sum is σ = 121492628352. Its totient is φ = 121409635732.

The previous prime is 121451132009. The next prime is 121451132057. The reversal of 121451132041 is 140231154121.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 121451132041 - 2⁵ = 121451132009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121451131997 and 121451132015.

It is not an unprimeable number, because it can be changed into a prime (121451142041) 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, 20743765 + ... + 20749618.

It is an arithmetic number, because the mean of its divisors is an integer number (30373157088).

Almost surely, 2^121451132041 is an apocalyptic number.

It is an amenable number.

121451132041 is a deficient number, since it is larger than the sum of its proper divisors (41496311).

121451132041 is an equidigital number, since it uses as much as digits as its factorization.

121451132041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41496310.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 121451132041 its reverse (140231154121), we get a palindrome (261682286162).

The spelling of 121451132041 in words is "one hundred twenty-one billion, four hundred fifty-one million, one hundred thirty-two thousand, forty-one".