121146541 has 2 divisors, whose sum is σ = 121146542. Its totient is φ = 121146540.

The previous prime is 121146521. The next prime is 121146593. The reversal of 121146541 is 145641121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105575625 + 15570916 = 10275^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 121146541 - 2¹¹ = 121144493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121146521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60573270 + 60573271.

It is an arithmetic number, because the mean of its divisors is an integer number (60573271).

Almost surely, 2^121146541 is an apocalyptic number.

It is an amenable number.

121146541 is a deficient number, since it is larger than the sum of its proper divisors (1).

121146541 is an equidigital number, since it uses as much as digits as its factorization.

121146541 is an evil number, because the sum of its binary digits is even.

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

The square root of 121146541 is about 11006.6589390241. The cubic root of 121146541 is about 494.8083344619.

Adding to 121146541 its reverse (145641121), we get a palindrome (266787662).

The spelling of 121146541 in words is "one hundred twenty-one million, one hundred forty-six thousand, five hundred forty-one".